Fenix PD20 180 Lumens Waterproof LED Flashlight LED blasts a max 180 lumens (1.25 hrs runtime) on turbo and 9 lumens (66 hrs runtime) on low selected by simple twist of the lights head Includes 4 lighting modes and 2 strobe modes; Beam throws over 118 yards Tactical push button tail cap switch provides momentary operation when pushed half way Body Size: 3" (Length) x 1" (Diameter); 2 ounces; Waterproof to IPX-8 Standard Powered by one 3V CR123A lithium battery