5MW Green Laser pen1 Output Wavelength: 532 nm.2 Beam Distance: 500-6000m.3 Power supply: AAA*2.4 Used in military, medical, astronomy, indicator, teaching baton and other occasions.Other small types:
5MW Green Laser pen 1 Output Wavelength: 532 nm. 2 Beam Distance: 500-6000m. 3 Power supply: AAA*2. 4 Used in military, medical, astronomy, indicator, teaching baton and other occasions.