1000lm Cree Xm-l T6 LED Zoomable Focus 5 Modes Alloy Lamp Flashlight Torch Skid-proof design & waterproof design Adjustable focus range for different usage, stretching to adjust its focus Independently mechanical rotating zoom, very convenient Internal wiring applies the high efficient booster circuit, working voltage is wide This flashlight can use AAA size Alkaline, NiMH, and lithium 18650 batteries