What is The Advantageous Use of 685nm Red Line Laser Module

685nm red line laser module
685nm red line laser module

Usually line measuring work is processing for a quite long time and long work distance, not able to rely on any prior manual line drawing or printing work, it should be the best solution to operate a sensitive color red laser light emitted device of a 685nm red line laser module. the wavelength of 685nm is in the red visible light range, which is easy to be observed and identified by human eyes. Employed by a qualified glass coated lens or Powell lens with different fan angles, the red laser line can be clearly seen during the measurement process, which is convenient for operators to align and measure and reduce the visual error.

The 685nm red line laser module can produce high brightness red reference line from a qualified glass coated lens or separate crystal lens within wide fan angles of 10 to 110 degree. It emits high quality and high energy density Gaussian beam or non Gaussian distribution red laser beam, and can maintain good visibility even in bright ambient light. At the same time, red laser line has high clarity and sharp edges, which can accurately locate ad measure, and improve the line alignment accuracy and precision in continuous use. Based on correct use of output power and optic lens fan angle, it is able to make highly clear and stable line indication for a lot of raw material processing works conveniently.

Being made with an import 685nm red laser diode within 5mW to 100mW, this red line laser module applies different dimension metal housing tube, which has a very simple operation interface and control method. It is easy to install and debug, operator can use it proficiently after simply training without complex operation skills and professional knowledge. When it makes continuous line projection onto different working surface, it is getting no need for direct contact with the object to be measured, which avoids problems such as wear and deformation caused by contact, and will not cause damage to the object to be measured. Red laser line alignment work is suitable for measuring objects of various materials and shapes.

Cooperated with APC, ACC driving circuit board inside durable anodized aluminum alloy housing tube, this Gaussian or non Gaussian distribution beam emitted device of 685nm red line laser module enables good power stability and wavelength stability, which can maintain the consistency of the laser output, and long serving lifetime in long term line alignment use. It can reduce the measurement error caused by manual operation or laser performance fluctuations. After quite easy adjustment of both of red line thickness and line emitting direction freely, this red laser line generator can provide users the best line alignment experience for all application fields.

685nm red line laser module has a wide range of applications in laser measurement, with a variety of performance advantages and usage advantages. The following is a detailed introduction:

Length measurement: In mechanical processing and parts manufacturing, the red laser module can be installed on the measuring equipment, and the emitted straight red reference line is projected on the surface of the object to be measured. By measuring the coverage length of the red laser line on the object, combined with the known measurement system parameters, the length of the object can be accurately calculated. For example, in the production of automobile engine cylinders, it is used to measure the inner diameter length of the cylinder to ensure that it meets the design requirements.

Distance measurement: In construction and interior decoration, this 685nm red laser line generator can be used for distance measurement. Fix the laser device in a position, emit a red reference line to the target object, and calculate the distance between the module and the target object by measuring the time from the laser emission to the reflection back to the module, combined with the speed of light. For example, when installing doors and windows, the distance between the door and window opening and the installation position can be measured to ensure installation accuracy.

Flatness measurement: During the installation and commissioning of large equipment, it is necessary to ensure the flatness of the equipment surface. After installing the 685nm red line laser module at the reference position, it projects a highly straight red line on the surface of the equipment, and observe the fit between the red laser line and the surface of the equipment, and use relevant measuring instruments to measure the distance difference between the laser line and each point on the surface. This red laser line generator can determine whether the flatness of the surface of the equipment meets the requirements. For example, in the installation of the machine tool workbench, it can ensure the flatness of the workbench surface to improve the processing accuracy.

Straightness measurement: In projects such as pipeline laying and railway track laying, it is necessary to ensure the straightness of the laying. Install the 685nm red line laser module at the starting position and emit a straight line laser along the laying direction. The construction personnel can adjust the laying direction of the pipeline or track according to the instructions of the red laser line to ensure that its straightness deviation is within the allowable range.

Featured Advantages of 680nm Red Laser Diode Module

680nm red laser diode module
680nm red laser diode module

Usually the adoption of a 680nm red laser diode module is projecting highly visible and intense red laser beam emission directly from an inner semiconductor red laser diode. It can extend at a several miles far away. At the same time, cooperated with basic thermal emitting system inside a highly durable housing tube, only if it makes proper integration and installation onto desired machine or device, and connects with external electric power source supply, this industrial stabilized red dot laser enables good directivity, highly visible and precise red reference dot projection onto multiple working surfaces conveniently.

The genuine use of a 680nm red laser diode module gets featured advantages of small size, easy integration into various devices and system. It applies an import laser diode within 5mW to 100mW, while only adopting ultra small size tube diameter of 16mm, 18.9mm and 26mm for different output power range. When it is used as an accessory part, it does not take up too much space, for example, it can be installed in a portable device or equipment. When it gets constant power source from a 5V, 9V 1000mA AC/DC adapter, this red dot laser enables stable and highly clear red laser beam emission at long extending distance.

In various industrial, high tech and other work fields, this accessory part of 680nm red laser diode module adopts high precision optical components and stable mechanical structure. The special use of APC, ACC driving circuit board ensures constant red laser light output, and long time lasting red reference dot projection within 10hours per day. It gets no effect by increasing temperature and serious electric current impact, which can reduce jitter and drift, and suitable for high precision dot alignment requirement, such as laser processing equipment.

Based on the use of a qualified glass coated lens, 680nm red laser diode module keeps work with high brightness and high density red laser light emission. Red reference dot can be clearly seen at a long distance and in complex environments, can be used for long distance indication or signal transmission. When it gets a small divergence angle, it can maintain good straight line propagation, and the energy is concentrated in a small area, which is conducive to precise aiming and positioning, such as in laser sights. Featured by good monochromaticity and narrow spectral width, this 680nm red dot laser is providing excellent red laser light source for field where requires a specific wavelength light source, such as optical experiments, fluorescence excitation, etc., it can provide accurate excitation wavelength.

Applications

Industrial manufacturing: 680nm red laser diode module is used for dot positioning and calibration in precision machining, such as accurate red dot indication of drilling positions in circuit board manufacturing. It can also be used for micro-machining of material surfaces, such as engraving tiny patterns and text.

Education and teaching: in physics, optics and other experiments, red laser beam is used as a light source to demonstrate light interference, diffraction and other phenomena. Intense red laser light can also be used for instructions in classroom teaching, so that teachers can point out key points.

Consumer electronics: 680nm red laser diode module can be used as a red light source in some projectors to participate in the projection display of images, which can also be used in the laser focus module of mobile phones to help mobile phones focus on the subject quickly and accurately.

Aerospace: in the instrument display of the aircraft, it is used as an indicator light source to provide clear information display for the pilot. In the attitude control of satellites, it is used for precise angle measurement and positioning.

Application of 680nm Red Laser Diode Module in Scientific Research

680nm red laser diode module
680nm red laser diode module

Among all visible optical spectrum, red laser diode module with wavelength of 680nm is in the red light region, which has a good excitation effect on some specific fluorescent substances, and good penetration in biological tissues. It is suitable for some deep tissue imaging studies in the biomedical field. In practical precise dot measuring works, it can provide high density red laser light of a single wavelength, which can reduce spectral interference, make experimental results more accurate and clear, and is conducive to the study of the interaction between light of a specific wavelength and matter.

In practical precise dot measuring works, owing to the easy use of an AC/DC adapter, this 680nm red laser diode module is able to work with continuous red laser beam emission from an import 680nm red laser diode within wide range output power of 5mW to 100mW. Configured with a metal heat sink cooling system inside a 16mm or 26mm diameter anodized aluminum alloy housing tube, it enables stable and ultra clear red reference dot projection for a quite long time. In addition, when 680nm red dot laser is used in different working environments, including wide range operating temperature, different humidity, or mechanical moving or calibration, it still maintains ultra clear and no decay light red dot alignment for multiple application fields.

Being made with a qualified glass coated lens in front of beam aperture, this single wavelength 680nm red laser diode module enables high transmittance red laser light emission and ultra clear red dot indication. The strong coherence of the laser enables it to produce stable and obvious interference and diffraction phenomena in interference, diffraction and other experiments, which is convenient for accurate measurement and analysis. Even in experiments of weak signal detection, highly bright red dot laser can provide sufficient light intensity to ensure the observability and accuracy of the experiment.

Application introduction:

Optical experiments: In light interference and diffraction experiments, as an ideal coherent light source, 680nm red laser diode module helps researchers observe and analyze the wave nature of light. For example, in double-slit interference experiment, the laser emitted by the 680nm red dot laser module can produce clear and stable interference fringes, which is convenient for measuring and studying the wavelength and other characteristics of light.

Spectral analysis: As an excitation light source, it is used to excite samples to produce fluorescence or Raman scattering, and to study the molecular structure and chemical composition of samples by analyzing the spectrum of scattered light. In materials science research, it can be used to analyze the crystal structure, chemical bonds, etc. of materials.

Biomedical research: In cell imaging and biomolecule labeling, the wavelength of 680nm red laser diode module can excite specific fluorescent markers, allowing researchers to observe the structure inside cells and the distribution of biomolecules. For example, in fluorescence microscopy, 680nm lasers can be used to excite red fluorescent proteins to locate and track specific proteins in cells.

Analysis of 660nm Red Laser Diode Module in Industrial Marking and Measurement

On the basis of constant technical innovation of 660nm red laser diode tech, in order to achieve high level of accuracy dot indication for all kinds of raw material processing works, laser tech engineers have developed a quite practically used device of a 660nm red laser diode module. It gets advanced use of a qualified optic lens and thermal emitting system inside a highly durable metal housing tube. Based on high measurement accuracy and high speed dot alignment, only after its correct use of output power and proper use of DC power supply, it enables fast measurement speed, noncontact and high stability red dot indication for a lot of industrial making and measurement fields conveniently.

The usual use of a 660nm red laser diode module applies a qualified glass coated lens and an adjustable focus optic lens inside a high duration anodized aluminum alloy housing tube. It is not only assuring high density red laser light source emission at several miles far away, but also achieves high measurement accuracy up to micron level or even higher. In process of high speed red reference dot projection work, it can realize real time online precise red dot measurement, and improve production efficiency. This 660nm red dot laser always makes no contact and no damage to the measured object, which is suitable for measurement of work pieces of various materials and shapes.

In various industrial precise dot measurement and inspection works, the usual use of a 660nm red dot laser module gets less effect by environmental factors, and can maintain stable red dot measurement performance under certain temperatures, humidity and light condition etc. Only according to the real work distance, lighting occasion and other harsh working environments, after its correct use of output power and operating voltage DC power supply, this 660nm red dot laser assures ultra clear, stable dot measurement for multiple application fields.

Applications in Industrial marking and measurement:

Industrial marking

Marking principle: 660nm red laser diode module utilizes qualified glass coated lens and adjustable focus optic lens, which enables high energy density red laser light emission, focused into a highly precise and bright red reference dot on the surface of work piece, and melt or vaporize the material instantly, thus forming a permanent mark. Due to its wavelength characteristics, it can produce a clear and firm red marks on some specific materials.

Applications: 660nm red dot laser module is commonly used for product marking in industries such as electronic components, automotive parts, and medical devices. For example, marking information such as model and production date on electronic chips, engraving serial numbers on automobile engine cylinders, and marking specifications and batches on medical devices.

Advantages and key features: 660nm red laser module has high marking accuracy, can achieve micro-sized markings, and meet the marking needs of precision parts. In process of fast marking speed, which can improve production efficiency. Non-contact red laser dot marking will not cause mechanical damage to the surface of the work piece, and the marking has good wear resistance and corrosion resistance, and can remain clear for a long time.

Industrial measurement

Measurement principle: By emitting 660nm red dot laser, using the linear propagation characteristics and reflection principle of the 660nm red laser diode module, and cooperating with corresponding optical sensors and measurement systems, the size, position, shape and other parameters of the workpiece are measured.

Application scenarios: 660nm red laser diode module is widely used in mechanical processing, aerospace, mold manufacturing and other fields. For example, in mechanical processing, the aperture, slot width, length and other dimensions of parts are measured. In the aerospace field, the shape profile and assembly accuracy of aircraft parts are detected. In mold manufacturing, the size and shape accuracy of mold cavities are measured.

Advantageous Use of 650nm Red Line Laser Module In Medical Field

Whenever line indicating work is processing at different work distances, especially in occasion of medical treatment device or equipment, it is a quite nice chance for users to operate a high density beam emitted device of a 650nm red line laser module. It generates highly visible and bright red laser light source at several miles far away. In practical laser medical treatment and surgery field, only if it makes correct use of output power and optic lens fan angle, this accessory part of a laser line generator enables ultra clear, easy reaching and good directivity red line indication for various surgery and treatment fields effectively.

This 650nm red line laser module always gets quite small size and durable anodized aluminum alloy housing tube design, which just enables quite easy installation onto other medical therapy device or equipment. It applies an import 650nm red laser diode as beam emitting source. For the most important of all, cooperated with a qualified glass coated lens with wide fan angles of 10 to 110 degree, this red laser line generator is always projecting ultra fine and straight red reference line with different line lengths at different work distance.

When it gets special use of adjustable focus optic lens, either it is used for close or long distance, this Gaussian beam 650nm red line laser module gets highly concentrated red laser light source, and converts into increasing brightness and fineness red line projection for various work distances and multiple lighting occasions etc. It can provide high precision line positioning and guidance to help doctors perform surgical operations more accurately or guide patients’ rehabilitation training, reduce errors, and improve treatment effects.

On condition that accessory part of a 650nm red line laser module gets constant electric power source supply, it shows clearly on human tissue and can be clearly identified even in surgical environments with blood or other body fluids, making it easier for doctors to observe and operate. Comparing with other visible laser devices, the penetration depth of red lasers at this wavelength of 650nm into human tissue is moderate. Under reasonable use, it will not cause serious harm to the human body and will not produce harmful radiation.

Genuine applications in the medical field:

Surgery assisted positioning: In surgical operations, 650nm red laser line generator provides doctors with accurate surgical site positioning and cutting guidance, such as in ophthalmic surgery, helping doctors to accurately perform corneal cutting and other operations. In orthopedic surgery, it assists in determining the reduction and fixation of fracture sites.

Rehabilitation treatment guidance: In rehabilitation training, it provides patients with guidance red reference line on the direction and trajectory of limb movement, such as in walking training, helping patients maintain the correct walking posture and stride, and can also be used to guide patients to conduct joint range of motion training, etc.

Medical equipment calibration: 650nm red laser line generator is used to calibrate medical equipment, such as in the installation and debugging of X-ray machines, CT machines and other equipment, using the straight line generated by the red laser module as a reference line so as to ensure the precision and accuracy of the equipment.

Special Use of 670nm Red Laser Diode Module

670nm red laser diode module
670nm red laser diode module

With the process of constant technical innovation of qualified semiconductor red laser diode tech, cooperating with a qualified optic lens, it is created into a quite practically used device of a 670nm red laser diode module. It is always required to make long time and long distance lasting red laser beam and red reference dot projection from beam aperture. This 670nm red dot laser gets basic use of thermal emitting and continuous electric power source supply, under operation with proper installation to desired machine or device, it just enables quite easy reaching, good directivity and ultra high brightness red dot positioning and measurement at various work distances constantly.
The major part of 670nm red laser diode has just assured ultra visible red laser light emission. When it is propagating in the air, human eyes are more sensitive to red laser light, and can be clearly see the red reference dot, thus it is bringing users great convenience for observation and positioning in various environments. Cooperating with a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube, when red dot laser is used in multiple working environments, it is bearing wide range operating temperature, and making quite clear and stable red reference dot projection in long time use.
When dot measurement and positioning work is processing at different working environments, this 670nm red laser diode module applies a durable anodized aluminum alloy housing tube, which is bearing wide range operating temperature, and other harsh working environments as well. After integration with an ACC, APC driving circuit board inside the tube, within wide range output power of 5mW to 100mW, it still maintains constant red laser beam and red laser dot projection, reduced possibility of tube burning out or damage in continuous use, and long serving lifetime of more than 8,000 hours.
In practical precise dot positioning work, 670nm red laser diode module is not simply used for industrial, medical therapy, and scientific research fields, but also making good job for special working occasions as below:
Laser projection: 670nm red laser diode module is used as a red laser light source in projection device to project images or information onto a screen or other surface for teaching, conference presentations, home theaters and other scenes.
Laser ranging: Utilizing its low laser beam divergence angle and high directivity, the red laser beam is used to calculate the distance y measuring the time from emission to reception. This 670nm wavelength laser is used in architectural measurement, topographic mapping, robot navigation and other fields.
Stage lighting and entertainment: red laser light is used to create unique lighting effects and create atmosphere in entertainment venues such as stage performances, concerts, and bars.
Laser marking: in the fields of construction, decoration, etc., 660nm red laser diode module is used to provide horizontal, vertical or specific angle markings to help workers perform precise construction operations, such as wall laying and tiling.

635nm Red Laser Line Generator Installed On Cloth Drawing Machine

635nm red laser line generator
635nm red laser line generator

In order to make use of highly clear observing and aligning of all types of garment cloths, it is becoming a major trend for factory workers to operate a pure light emitting tool of a 635nm red laser line generator. Being made with an import laser diode and a qualified optic lens with wide fan angles inside a high duration metal housing tube, only after its easy connects with an external electric power source, this direct diode emission made red laser module always makes sure of ultra fine, straight and bright line indication for all garment drawing works effectively.
The usual use of a 635nm red laser line generator always projects the similar red laser light as a 650nm red laser with the same output power, however, it projects at least 3 times brighter red laser light in real use. It is within the visible light range, with bright colors, which contrasts sharply with the colors of most fabrics. It can be clearly seen under various ambient light conditions and can be easily identified even in dark workshops. Owing to the use of wide range output power of 5mW to 100mW, this red line laser just makes sure of ultra clear line alignment on garment cloths within the greatest work distance of 25 meters and other high lighting occasion as well.
Usually 635nm red laser line generator adopts different dimension tube diameter of 16mm and 26mm, it is mounting easily onto cloth drawing machine. It gets featured advantages of ultra compact size, light weight etc. It will not cause additional burden on the structure and operation of the cloth drawing machine. After its proper installation onto the vertical or horizontal surface of the cloth drawing machine, this 635nm red line laser can help operator make clear observation and alignment for all garment cloths conveniently.
According to correct use of output power and optic lens fan angle, this accessory part of 635nm red laser line generator makes sure of ultra fine and clear red line indication for various garment cloth making works. It makes sure of long distance red line indication within the lowest time consumption and low relying on any manual labor force input. Whenever alignment laser is operating under proper operating temperature and lighting occasions, it is working well in multiple workshop environments, and makes high efficiency line indication for all garment making works effectively.

Excellent Use of Uniform Beam 635nm Red Laser Line Generator

635nm red laser line generator
635nm red laser line generator

Until the time users are trying to make ultra clear and fine enough line indication, not helpful at all to rely on prior line drawing or printing work at all, it would be a much better chance to operate a uniform beam 635nm red laser line generator. It is applying advanced 635nm red laser diode and qualified optic lens with wide fan angles. Owing to its configuration with a high duration metal housing tube and constant electric power source supply, either it is pointing at close or long distance, this accessory part of a red line laser module is able to make ultra clear, stable and long time lasting red line indication for all raw material processing works constantly.
When an external AC/DC adapter is applied as electric power source, not the same as a formal inner alkaline battery power, this 635nm red laser line generator always makes continuous red laser beam emission from an inner 635nm red laser diode directly. It always leaves larger space for tube cooling down. When it is designed with a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube, in practical precise line positioning work, this red laser module is used within wide range operating temperature and any other harsh working occasion. Only if it makes continuous red laser line alignment within 8 to 10 hours per day, it still maintains ultra high level of laser beam stability, and highly clear red line measurement for multiple raw material processing works.
In process of high precision line alignment for various working occasions, in order to get different line length and line fineness, this 635nm red laser line generator just applies a qualified separate crystal lens within 10 to 93 degree fan angles. It is performing well with non Gaussian distribution red laser light source emission at several miles far away. When it projects high uniformity and high fineness red reference line within 0.5 meter to 6 meters, owing to its same line brightness from middle part towards both ends, this 635nm red line laser module always makes high level of accuracy red line indication for multiple application fields, covering laser cutting machine, saw mill, textile garment processing, laser car wheel alignment system and lab experiment work.
Within quite long extending distance and multiple lighting occasion etc, with the assistance of a laser alignment mounting bracket, this accessory part of a uniform beam 635nm red laser line generator enables quite easy reaching and no barrier use for all precise line positioning works. It enables freely adjusted laser line fineness and line emitting direction within three dimensions, thus red alignment laser brings users high level of accuracy line projection for all prominent labs, institutes and colleges etc. Whenever users are obeying basic laser safety measure and wearing correct laser safety goggles, without any eye exposure to beam aperture, it just brings users low price, low noise and long lasting measurement effectively.

How to Make Highly Clear Use of 650nm Red Laser Line Generator

Whatever kind of working surface users are in need of precise and fine enough line alignment, either it is used for close or long distance, it is always making an efficient job for users to operate a 650nm red laser line generator. It applies advanced 650nm red laser diode within 5mW to 100mW as its beam emitting source. In various industrial and high tech precise machinery processing work fields, being made with a qualified optic lens with wide fan angles and proper use of thermal emitting design inside a high duration metal housing tube, this ultra compact size tube made 650nm red laser module just enables quite easy carrying, quick reaching and good direction red line alignment onto various working surfaces conveniently.

650nm red laser line generator
650nm red laser line generator

The basic use of a 650nm red laser line generator has to continue for a quite long time, for the most important of all, it gets advanced use of an import 650nm red laser diode within 5mW to 100mW. Owing to its long developing history and mature laser diode tech, after its mass production, this finished product has just got the lowest production cost, and the most stable red line emission in real use. According to real work distance and lighting occasion, only after correct selection of output power, this 650nm red line laser enables ultra clear and stable red line projection as long as 10 hours per day, and up to 85% laser beam stability in continuous use.
Usually users should get basic learning of required line length, line fineness and work distance from laser beam aperture to targeting surface. It applies a qualified glass coated lens within 10 to 110 degree fan angles, whatever kind of working surface it is pointing, this 650nm red laser line generator enables ultra high linear quality and highly straight red reference line within 0.5 meter to 6 meters length in use. According to correct use of output power and optic lens fan angle, this accessory part of a 650nm red laser module makes sure of high level of accuracy and quick response line indication for multiple fields, including laser cutting machine, saw mill, lumber machine, textile garment processing, laser medical therapy and high tech work etc.
Cooperating with a laser alignment mounting bracket, this accessory part of a 650nm red laser line generator enables quite easy carrying, and good direction red line projection onto any vertical or horizontal surface. It is mounting properly onto those of industrial machine or equipment, thus it brings users high speed, no mistake and noncontact line indication for all labs, institutes and colleges etc. Whenever alignment laser is operating properly with basic wearing of laser safety goggles, after avoiding eye exposure to beam aperture, it just brings users no mistake, long lasting and low cost use for all working occasions perfectly.

What is The Best Use of Uniform Beam 650nm Red Laser Line Generator

Unless the use of any prior line drawing or printing work, in order to get ideal line alignment accuracy at different work distances, it should never be a challenge job for users until selecting a quite practically used device of a uniform beam 650nm red laser line generator. Among all visible laser devices, owing to its moderate brightness red laser beam emission from an inner laser diode and basic use of cooling system, after its proper mounting onto those of industrial device or equipment, this direct diode emission made 650nm red laser module just makes easy reaching, highly bright and fine red line projection onto various working surfaces constantly.

650nm red laser line generator
650nm red laser line generator

This 650nm red laser line generator is used for long lasting line positioning work, thus it has just made with good thermal emitting system. It applies an import 650nm red laser diode within 5mW to 100mW as beam emitting source. Being made with an inner metal heat sink cooling system, it is working well with even better thermal emitting and increasing stability red line projection as long as 8 to 10 hours per day. On condition that 650nm red line laser module gets proper use by skilled users or professionals, after its proper installation, it is able to make quite easy reaching and good direction red line indication in continuous use.
Owing to the use of a qualified separate crystal lens within 10 to 93 degree fan angles, any time it is pointing onto different working surfaces, this 650nm red laser line generator still emits quite unique non Gaussian distribution red laser beam from beam aperture. It is working well with the same line brightness from its middle part towards both ends, thus it is able to bring users the highest level of accuracy and brightness line projection within the longest work distance of 25 meters. It is working easily and conveniently, and making clear line indication for laser cutting machine, saw mill, lumber machine, textile garment processing and high tech etc.
Whenever 650nm red laser line generator gets correct use of output power and optic lens fan angle, and proper mounting onto those of machine or device, it always makes quite easy reaching and noncontact red line indication onto any raw material surface. It enables long lasting and long distance line measurement for those of labs, institutes an colleges etc. Any time high power red alignment laser is used for longer distance line alignment, it is a necessity to wear correct laser safety goggles and avoid eye exposure to beam aperture, thus it brings users a no mistake and no danger use perfectly.