... pointer, Green laser beamWavelength:532nmSize f the laser:14x153cmOutput:1-150mWLife time:>5000hWorking current:1<250mAColour of laser:GreenWorking voltage: ... the laserOver 500-8000metersDivergence angle:0.8-1.2mradBateries:AAA*2pcsBeam diameter:1.5mmClass:IIIB Fixed focus, green dot facula ... military, medical and astronomy, indicator, and teaching baton 1 mw,10mw,20mw,30mw,50mw,100mw,200mw,300mW,350mW, ...