High Quality 130+ Lumens L.E.D. – Light Emitting Diode. – Aircraft Grade Aluminum T6 Housing – O-Ring Sealed, Waterproof & Weatherproof! – Front Serrated Bezel For Added Self Defense Feature. – Flashlight Can Be Mounted On Rings and Clamps. – High Quality Push Button Tail Cap. 2-CR123A Batteries included as well as the pressure switch and mount.