Bolayu 3000 Lumen Zoomable CREE XM-L Q5 LED Super Bright Flashlight Torch Zoom Light Aluminum alloy Imported Material: Aluminum alloy. Battery type: 1 x 18650 3.7v Battery or 3 AAA batteries(Not Include). Switch :Tail-cap press ON/OFF. Clip for convenience carry. Skid-proof Design. Waterproofing design, "O" ring sealed. Super Bright, blinding Effect. Adjustable focus range for different usage. Suitable for Self Safety, hunting, cycling, climbing, camping and outdoor activity etc.