The TLR-7A Contour Remote is designed for one-handed shooting - ideal for dog handlers SWAT teams door breaching and close quarter operations. - 500 lumens; 131m 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 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 - Securely fits a most railed Glock Gen 4 or Gen 5 models - Durable anodized machined aluminum construction - User enabled strobe function - 4.6 in (11.68 cm); 2.69 oz. (76.3g) with battery - IPX7 waterproof to 1m for 30 minutes - Limited lifetime warranty - Assembled in USA