green cross laser module type : ca532-1-5 main technical parameters: size :20mm x 80mm circuit board : 35mm x35mm wavelength : 532nm operating voltage : dc 5v operating current : less than300ma divergence : 0.1-0.2mrad output aperture : dia8mm output power : 1mw operating distance : 10m optics : glass lens both sides ar coated crystal : nd : yvo4 and ktp beam mode : tem00 , continuous output wire length : 2 x 100mm(or connector wire and plugs) operating temperature : 15 celsius degree- 30 celsius degree- warm-up time :less than15 mins stability :less than +/- 20%@ 15celsius degree-30 celsius degree life time : more than 5000 hours accessories choose and buy : lps-4 power supply