TLR-1 HL Weapon Light 1000 Lumens Output White LED Light Rail Grip Clamp Mount Black Anodized The TLR-1 HL provides an 1000 lumen blast of light for maximum illumination while clearing a room or searching an alley. This rail-mounted, tactical C4 LED light with a strobe setting has an ambidextrous switch for momentary or steady LED operation and a double tap activates the strobe (which can be disabled). It mounts directly to Picatinny and Glock-style rails and includes rail locating keys for Glock-style, Picatinny, Beretta 90two, S&W 99, and S&W TSW. The TLR-1 is made with impact-resistant, sealed construction and is IPX4 water-resistant. The light housing is 6000 Series machined aircraft aluminum, with a chemically-resistant engineering polymer laser housing and a Borofloat glass lens. Assembled in the USA. Product Details 1,000 lumens; 283m beam; runs 1.5 hours Powered by two 3-volt CR123 lithium batteries with 10-year storage life Rail grip clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of the muzzle Mounts directly to handguns with Glock-style rails and to all MIL-STD-1913 (Picatinny) rails. Includes keys for Glock-style, Picatinny, Beretta 90two, S&W 99 and S&W TSW Machined aluminum sealed construction with black anodized finish Ambidextrous momentary/steady on/off switch User programmable strobe can be enabled/disabled LED technology impervious to shock with a 50,000 hour lifetime Engineered optic produces a concentrated beam with optimum peripheral illumination Fits existing light bearing holsters 3.39 (8.61 cm); 4.18 oz (118.6 grams) Operating temperature: -40 F to +120 F IPX7 waterproof to 1 meter for 30 minutes