EagleTac M3C4 SST-50 LED Flashlight, Black Lumen Output: LED lumen:1000/470/215/70/20;ANSI FL-1 lumen: 800/376/172/56/16 Runtime:1.5hrs/3.5hrs/8hrs/28hrs/100hrs Battery Type:4*CR123A;2*18650 SST-50 LED;345g;IPX-8 Waterproof