EBL&reg; Cree Q5 LED Flashlight Torch Lamp with 3 Mode Waterproof Design 3 Modes:High ,low and strobe blinding effect Super brightness Cree Q5 LED Flashlight Torch Suitable for outdoor environment, adverse weather conditions Battery Type:1 Pack 18650 Use the air condition Aluminum material,with the function of waterproof and shock-absorbing Also designed to mount on certain hand pistols, rifles and shotguns with proper mounting equipment