Shock-proof, waterproof, dust-proof, and virtually indestructible!  3 Watt Luxeon LED impervious to shock. Will not break or burn out!  Extremely durable anodized aluminum housing  Delivers up to 80 lumens (LED); 650-660 nm laser  Up to 2.5 hrs continuous run time (Laser/LED simutaneously). Solid-state current regulation for consistent illlumination level. Laser only mode runs 45+ hrs.  Features secure latching base for secure mounting. Tighten latch with your fingers or a coin. No tools necessary!  Operating temperature -40 F to 120 F  Fits all light-bearing holsters  ?No Excuses? Life Time Warranty  Accessories available  4.72 oz. with batteries   Fits Glock Pistols with Rails Sig Pistols with Rails Beretta Pistols with Rails Colt Pistols with Rails Kimber Pistols with Rails