Green Laser Pointer Pen, Power: 5mw Can be used for sky pointing, astronomy, projection on low clouds, signaling Green Laser Pointer Pen, Power: 5mw1) Extremely bright green laser at 532 nm wavelength 2) Output power of <5mw,10mw, 20mw, 30mw, 50mw, 80mw, 100mw, 200mw (option) 3) Range of approximately 12,000 ft in darkness 4) 1.1 mm beam diameter at source 5) Momentary push button switch 6) Solid ...