The first blue laser pointer in the world. It is novel,unique and amazing.
Wavelength: 473+~1nm
Output power: 50mW
Beam divergence, full angle(mrad) < 1.5
Beam diameter at aperture ~ 1.5mm
Switch: Push button
Surface color: Blue
Range in darkness: 1000~2000m
Power supply: CR2 lithiumn battery (1pcs)
Operating lifetime: 5000hours
Warranty: 6months
Remark: 473 portable laser (FDA approval) with key switch up to 50mw is available
