The 2360 flashlight uses 2 standard AA alkaline batteries and emits a peak output of 375 lumens. The 2360 includes 3 modes - High/Strobe/Low and allows the user to select from 4 selectable programs. With the included 29 lumen low beam a run time of up to 13 hours will support close up use and any extended time needs. A strobe mode is also included for tactical or signaling purposes.