) Wavelength: 532nm
2) Output power: 5mW -100Mw
3) Working voltage: DC 3.0V
4) Working current: < 280mA -350mA
5) Laser shape: DOT
6) Dimensions: 13.5(dia. ) x 162 (L) mm
7) Battery: 2 x AAA
8) Case material: Brass
9) Operation temperature: 20-30
10) Storage temperature: -10-50
green laser pointer pen