BESTSUN PowerfulCree Xm-l 3800 Lumens 3x T6 LED Flashlight Torch with Waterproof & Self-Defense Function 3 Switch Modes Super Bright T6 LED Lighting Lamp Torch (18650 Rechargeable Battery Not Included) This Searchlight torch uses of a 3x CREE XM-L T6 LED, producing very bright beam of light body of this flashlight is built of high quality aluminum alloy,and it has a very solid construction Excellent waterproof, suitable for outdoor environment, adverse weather conditions Hard-Anodized finish; Anti-abrasive, free-scratch, shock-proof Internal wiring applies the high efficient booster circuit, Power by : 4x 18650 3.7v