In various industrial machinery processing work fields, it is a very nice experience to make use of a 650nm 50mW red dot laser module. It projects intense and formal brightness red laser light directly from 650nm red laser diode. When it is designing with import laser diode and metal heat sink cooling system inside metal housing tube, red dot laser achieves excellent thermal emitting and highly stable red dot projection in continuous use. Owing to special use of APC, ACC driving circuit board, 650nm 50mW red dot laser module is always maintaining quite long time continuous red dot alignment. It is not affecting by increasing temperature and serious electric current impact. In continuous red dot projection, it should only be installing correctly onto any industrial machine or device and making proper adjustment of laser beam focus, this dot laser alignment makes sure of high precision and no mistake dot alignment perfectly. Technical data: Item: Berlinlasers 650nm 50mW red dot laser module Laser class: IIIb Optic lens: glass coated lens Adjustable focus: yes Applications: drilling system, military targeting, laser marking machine and laser engraving machine etc http://www.berlinlasers.com/650nm-red-dot-laser-module