Wavelength (nm) 532±1 Output power (mW) 0.6~1 1~3 3~5 Transverse mode TEM00 Operating mode CW Beam divergence, full angle (mrad) <1. 5 Beam diameter at the aperture (mm) ~1. 5 Switch Push button Surface color Black Power Consumption DC 3V Power supply 2×AAA 1.5V Alkaline batteries Expected lifetime (hours) 5000 Warranty 6 months Remark LED indicator, key switch and logo engraving are on your request.