Besides its adoption of finest quality 650nm red laser diode, its inner electric circuit board is also a very good part to ensure its wonderful dot projection. This red dot laser alignment adopts import 650nm red laser diode and import glass coated optic lens. The projecting red reference dot has featured advantages of high brightness, high beam visibility, low beam divergence, and good straightness. According to different requirement of light spot size, this industrial alignment laser is specially designed with adjustable focus. The front part of laser alignment can be screwed freely to realize adjustment of projecting red light spot. This industrial alignment laser is just strictly designed and manufactured with the highest level of quality standard. It can prevent aging of laser diode on condition of 24 hours continuous dot projection. No matter at whatever kind of working condition, this alignment laser has just made the best dot measurement result successfully.