High quality and unique style 980nm IR infrared handheld pen(Near Infrared, or NIR laser).
Specification
Wavelength(nm):980nm
Output power(mW):250
Transverse mode:TE00
Operating mode:CW
Beam divergence:full angel(mard)<5
Beam diameter at the aperture(mm):6
Switch:Push button
Surface color:Black
Range in darkness(m):1000~10000
Power supply:2 x AAA
