"Cabela's CTL 650-Lumen Weapon Light enhances your visibility and targeting capabilities when it counts most. It's easy to install on your firearm's Picatinny or Weaver-style rail, and it produces a 650-lumen beam that reaches out to 130 meters. Also features an ambidextrous rotary tail and a switch for left or right operation with high and momentary settings. Its aerospace-grade aluminum construction with a shatterproof polycarbonate lens resists impacts and drops up to 1 meter, and the IPX7 rating ensures waterproof integrity to 1 meter. This weapon light is powered by a rechargeable lithium-ion battery (included) for up to 1 hour and 30 minutes. Can also be powered by a CR123A battery (not included). Includes charging cord. 3""L x 1.3""W x 1.3""H. Weight: 3.4 oz. (with battery). Fits Picatinny or Weaver-style rails 650-lumen beam reaches out to 130 meters Ambidextrous rotary tail Switch for left or right operation with high and momentary settings Aerospace-grade aluminum construction Shatterproof polycarbonate lens Resists impacts and drops up to 1 meter IPX7 waterproof rating to 1 meter Includes rechargeable lithium-ion battery and charging cord Can also be powered by an optional CR123A battery"