DAZONE 2000 Lumen XML-T6 LED Flashlight Torch Zoomable Lamp Light Aluminium alloy 18650+Waterproofing+Skid-proof(not include battery)) Material:Aluminium alloy Skid-proof Design Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent Waterproofing design, "O" ring sealed. 5-mode adjustable Brightness,High/Middle/Low/Strobe/SOS