Virtually indestructible LED regulated to maximize output and runtime<br />Tactical-level output with TIR lens for close- to longer-range applications<br />Quick-detach rail clamp<br />Accepts optional grip and long forend switches<br />Weatherproof—O-ring and gasket sealed<br />Construction—High-strength aerospace aluminum with Mil-Spec anodizing; impact-resistant <br />polymer; coated tempered window<br />high-energy 123A batteries (not included) with 10-year shelf life<br />Specification:<br />Max Output -- White Light 500 .0 lumens<br />Tactical Runtime** 1 .5 hours<br />Length 3 .60 inches<br />Bezel Diameter 1 .125 inches<br />Weight w/Batteries 4 .0 ounces<br />Batteries 2 123A (not included)