Streamlight TLR-7 Contour Glock Weapon Light - The TLR-7 A Contour Remote is designed for one-handed shooting - ideal for dog handlers, SWAT teams, door breaching, and close-quarter operations. 500 lumens; 140 m beam; runs 1.5 hours Custom optic produces a concentrated beam with optimum peripheral illumination Ambidextrous rear on/off switch; pressure-controlled grip switch provides momentary operation Uses one (1) CR123A lithium battery (included) "Safe-off" feature prevents accidental activation; saves batteries Rail grip clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle Contour remote fits most railed Gen 4/Gen 5 Glock handguns Durable, anodized machined aluminum construction User-enabled strobe function 4.6 in (11.68 cm); 2.69 oz (76.3 g) with battery IPX7 waterproof to 1m for 30 minutes Limited lifetime warranty Assembled in the USA