The Powertac E9R-G4 is a perfect balance of tactical features and compact edc size. This compact duty light offers an impressive 2,550 lumens in a light that can fi t in your pocket. An instant strobe button offers quick access to strobe without the need to cycle through multiple modes during a tactical scenario. The crenelated strike bezel can break a window or be used as an effective self-defense tool. The E9R-G4 is ideal for law enforcement, military and for everyday carry. \n \nKEY FEATURES \n \n 2,550 Max lumen output \n Perfect balance of an EDC and tactical light \n High output & compact size \n Crenellated bezel for self-defense \n Instant probe \n Lifetime warranty \n \n \n \nBattery: (1) 18650 high discharge rechargeable L1-ION or (2) CR123A not compatible with RCR123A / 16340 \n \nSize: Length: 138.6 MM Bezel Diameter: 25.4MM Body Diameter: 23 MM Weight: 85 G (without battery) \n \nOUTPUT/RUNTIMES: \n \n1X 18650 (3.6V) \n \nFirefly: 0.64 Lumens - 50 Days \n \nLow: 71 Lumens - 20.9 Hours \n \nMedium: 270 Lumens - 5.7 Hours \n \nHigh: 1,135 Lumens - 2.11 Hours \n \nTurbo: 2,550 Lumens - 2.02 Hours \n \nStrobe: 2,550 Lumens - 4.81 Hours \n \n2X CR123A (3.0V) \n \nFirefly: 0.64 Lumens - 48 Days \n \nLow: 71 Lumens - 10.68 Hours \n \nMedium: 270 Lumens - 4.2 Hours \n \nHigh: 980 Lumens - 1.24 Hours \n \nStrobe: 980 Lumens - 4.4 Hours