Wavelength (nm)	635
Output power(mW)	1~5
Transverse mode	TEM00
Beam divergence, full angle (mrad)	<1.5
Beam diameter at the aperture (mm)	~1.5
Swich	push button
Surface colour	black
Range in darkness(m)	1000~2000
Power supply	2×AAA/1.5V batteries
Operating lifetime(hours)	3000-5000
Warranty	6 months
Remark	LED indicator ,key swich and logo engraving are on your request.