Performance night and day. The small and mighty TLR-8 G with a green laser securely fits a broad range of full-size and compact handguns. The green laser is visible even in daylight. Low-profile design prevents snagging and a "safe off" feature prevents accidental activation, saving batteries. Features Include: White LED and green laser. 500 lumens; 140m beam; runs 1.5 hours. Laser only runs 11 hours. Custom optic produces a concentrated beam with optimum peripheral illumination. Low-profile ambidextrous on/off switch. Uses one CR123A lithium battery (included). Safe off feature on bezel 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 broad range of full-sized and compact guns. Durable, anodized machined aluminum construction. User enabled strobe function. 2.15†(5.46 cm); 2.64 oz. (75g). IPX4 water-resistant. Limited lifetime warranty. Assembled in USA.