WindFire&reg; Super Bright Powerful 3800Lm 3X CREE XM-L T6 U2 LED Flashlight Powered by 1/2/3/4 x 18650 Rechargeable Batteries 3 Modes Aluminum alloy Design Waterproof Cree LED Lamp Lighting Torch for Camping, Hiking,Cycling, Hunting, Fishing Adopts 3 x CREE XM-L T6 LED bulbs, output brightness can reach 3800 lumens. The body of this flashlight is built of aircraft grade standard Aluminum alloy, it is indurative. Besides, with hard anodized finish, it's anti-abrasive, free-scratch and shock-proof. Applies the high efficient booster circuit to internal wiring, can utilize the batteries to at most. Extensible flashlight tube, supports flashlight to extend into a 296 millimeters outdoor flashlight.