Trustfire High-power Super Bright 8500lumen 7x Cree Xm-l T6 LED Flashlight Torch + 3pcs 5000mAh mAh Battery + Charger This TrustFire torch uses of a 7x 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 Power by :2 x 26650 3.7v / 2x 18650 3.7v / 3 x 26650 3.7v / 3x 18650 3.7v