OLIGHT M21X Warrior 600 Lumen CREE XM-L LED tactical flashlight, WM20 Picatinny/Weaver weapon rail mount, and Two EdisonBright CR123A Lithium Batteries bundle Uses the world-class super bright Cree XM-L LED 20 lm (29hrs)-200 lm (3.75hrs)-600 lm (1.3hrs); Max more than 240 meters long throw. Compatible with 2 x CR123A or 1x 18650 batteries Highly Water resistant to IPX-8 ; Mil-spec: MIL-STD-810F Two EdisonBright CR123A batteries & Olight WM20 Weapon mount included