This Zoomable CREE XM-L T6 LED Zoom Flashlight Torch Lamp 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: 1x26650 or 1x 18650 3.6v/3.7v OR 3X AAA battery