... temperature:0~+30Range of the laserOver 500-8000metersDivergence angle:0.8-1.2mradBateries:AAA*2pcsBeam diameter:1.5mmClass:IIIB Fixed focus ... , green dot facula, continuous output, and working time over 8,000 hours Output wavelength: 532NmOutput power: 5mw,10mw,20mw,30mw ... the military, medical and astronomy, indicator, and teaching baton 1 mw,10mw,20mw,30mw,50mw,100mw,200mw,300mW,350mW,400mW,500mW ...