Rechargeable. Water resistant. Impact resistant. Weapon mountable. OSRAM P9 LED. 650 lumens. 1h 30m runtime. 130m beam distance. Attaches to MIL-STD-1913 and Glock-style rails. Ambidextrous rotary switch for easy momentary on and constant on. Requires (1) 16340 battery (included), or (1) CR123A battery (not included). Aluminum construction. Color: Black. Boxed with hanging tab.