WITH INTEGRATED RED AIMING LASER. This intensely bright virtually indestructible rail-mounted tactical light attaches to almost any gun in seconds. - Powered by two 3-volt CR123 lithium batteries with 10-year storage life - C4® LED Technology impervious to shock with a 50000 hour lifetime. - Up to 12000 candela peak beam intensity and up to 300 lumens measured system output. - Up to 2.5 hrs runtime; LASER ONLY runs 48 hours. - Rail grip clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle - Fast Adjustable Secure Side mounting to 1913 and Glock style Rails - Machined aluminum sealed construction with black anodized finish - Dustproof - Ambidextrous momentary/steady on/off switch - Highly accurate sight repeatability when remounting - Fits existing light bearing holsters - 4.72 oz. - Lithium Battery Notice under TECH DOCS - Remote switches are available as optional accessories and must be used in conjunction with 69130 remote door switch. All switches and door switch are sold separately. Reference TLR Accessories Brochure in DOCS/INFO tab for more information. - Assembled in USA