1.Model No: G303(Green Laser Pointer) 2.Body color: black 3.Net weight: 110g 4.Body material: Aerometal 5.Switch: momentary switch 6.Focus mode: adjustable focus 7.Wave length?532nm 8.Output power? Max 5mw 9.Expected lifetime: > 8000 hours 10.Working time: > 1 hour 11.Battery:18650 Li Battery or 16340 li Battery (NOT INCLUDE BATTERY) 12.Laser range: 1000-8000 meters 13.Max brightness: > 350lm