If users are looking for an easy operating dot alignment tool, either it is pointing at close or long distance, it is just making good job with Berlinlasers 650nm red laser diode module. It projects formal brightness red laser light from 650nm red laser diode 5mW to 100mW. Besides its highly visible red laser beam at several miles far away, it is also making clear and accurate red dot indication for close, long distance and formal lighting occasion as well. This 650nm red laser diode module gets good industrial stabilization. The advanced use of glass coated lens is cooperating with a glass window, which assures high transmittance red laser light and highly clear red dot alignment in long lasting use. It is operating easy and quick as an accessory part. Within freely installed distance of 3 meters, this red dot laser assures the most convenient installation and no barrier dot measurement for multiple application fields perfectly. Technical data: Item: Berlinlasers 5mW to 100mW 650nm red laser diode modules Laser class: IIIa, IIIb Power source: 5V, 9V 1000mA AC/DC adapter Tube diameter: 16mm, 26mm anodized aluminum alloy Applications: drilling system, laser marking machine, laser engraving machine, lab experiment and high tech etc https://www.berlinlasers.com/650nm-red-laser-diode-module