Ledsniper&reg; Cree Q5 1000lm LED Flashlight Torch Light 3 Mode Use AAA Battery 18650 or AAA Battery Not Included (12month Warranty) Skid-proof design & waterproof design This flashlight can use AAA size Alkaline, NiMH, and lithium 18650 batteries Adjustable focus range for different usage, stretching to adjust its focus Internal wiring applies the high efficient booster circuit, working voltage is wide Independently mechanical rotating zoom, very convenient