Surefire XR1-A Weapon Light - Preferred by civilian gun owners and law enforcement alike, the Surefire XR1-A is a compact and durable weapon light engineered to light up even the darkest of environments. Recoil-proof LEDs emit 800 lumens of blinding white light out to 245 meters, making this weapon light perfect for close- to mid-range engagements while Surefire's parabolic reflector technology provides a smooth and rounded beam that fills up any environment. Operates on one rechargeable, polymer B13 lithium-ion battery (included) with up to 30 minutes of battery life on max output. An aircraft aluminum housing and Mil-Spec hard anodized corrosion-resistant finish ensure this weapon light can always stay in the fight. Plus, this weapon light is compatible with Universal rails for ultimate versatility. What's more, ambidextrous downward-activated momentary- and constant-on switches ensure reliable application for both left- and right-handed shooters.