The manufacturer of semiconductor laser   

Note: the output wavelength: 635nm650nm output: 635nm10 ~ 30mw650nm20 ~ 150MW working voltage: 5VDC working current: 450mA beam divergence: 0.1 ~ 1.5mrad light angle: 10º ~ 135º diameter: light = 0.5mm @ 0.5m = 1.0mm; 3.0m = 1.5mm @ @; 6.0m; straightness: less than 1.0mm6.0m optical lens optical lens: coated glass or plastic lens size: 16 x Phi Phi 16 * 65 55mm;