Nitecore EC4S 2150 Lumen high Intensity CREE LED Tactical die-cast Flashlight with 4X EdisonBright CR123A Lithium Batteries and BBX3 Carry case Max output upto 2150 Lumen using CREE XHP50 LED Die-cast unibody construction Solid lightweight aero grade aluminum alloy construction ATR Intelligent Temperature Control for improved cooling This bundle includes 4X EdisonBright CR123A Lithium Batteries and BBX3 carry case