Streamlight TLR Flashlights are rugged tactical weapon lights built to military specifications. These high-quality gun lights are intensly bright, virtually indestructable, and attach to almost any gun almost instantly - these Streamlight flashlights are designed to attach or detach in less than two seconds! Streamlight Tactical Gun Mount Lights are compact and easy to handle, with minimal weight so they don't interfere with the balance of your gun. Streamlight TLR Tactical Lights are powered by super-long-lasting lithium batteries, with powerful LED light technology embedded in a deep-dish parabolic reflector that produces a concentrated light beam with optimum peripheral illumination. Streamlight LED weapon lights come with a range of options, including optional built-in laser sights, strobe light functions, and infrared illuminators, as well various degrees of brightnesses. All of these Streamlight tactical lights are powered by lithium batteries with a 10-year shelf-life. Each Streamlight TLR Tactical Light includes rail locating keys for Glock style pistols, 1913 Picatinny, S&W 99/TSW, and Beretta 90two. Each Streamlight TLR Gun Light features a rail grip clamp system that securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle. Cast a blinding light on your target and take control of any tactical situation with the Streamlight TLR Series of tactical weapon lights.