Our company supply the laser series are: red light (635 nm, 650 nm, 635 nm), green (532 nm), blue light (405 nm), infrared (780 nm, 808 nm, 850 nm, 980 nm), etc.; Product size (diameter 4 mm to 20 mm), power (1 mw ~ 200 mw), light class shape (dot, line play a word, a graticule, play ground, etc.), voltage (such as 3 v to 6 v) can be customized according to customer's requirements, welcome to order!