OLIGHT M3Xs-Ut Javelot 1200 Lumen LED Tactical Flashlight Extended-Range Variable-Output Super bright 1200 lumens with 4 output levels and strobe Convenient operation w/dual switch design Versatile purpose: outdoors, self defense, law enforcement, hunting or fishing Runs on 3 x CR123A lithium batteries or 2 x 18650 lithium ion batteries