Securely attaches to select GLOCK SIG SAUER Smith & Wesson Beretta Springfield Armory and Heckler & Koch railed subcompact handguns. – 500 lumens; 140m beam; runs 1.5 hours – Ambidextrous rear switch – Uses one CR123A lithium battery (included) – Safe off feature prevents accidental activation; saves batteries – Rail 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 slim subcompact handguns – Durable anodized machined aluminum construction – User enabled strobe function – 2.58 (6.55 cm); 2.4 oz (68.1g) – IPX7 waterproof to 1m for 30 minutes – Limited lifetime warranty – Assembled in USA – X version will accept the SL-B9 rechargeable battery. Improved capability.