Ultrafire E6 1800 Lumens 18650 3X AAA CREE XM-L T6 LED Zoomable Zoom Flashlight Torch Ultrafire1800Lumens CREE XM-L T6 LED Zoomable Zoom Flashlight Torch Excellent waterproof, suitable for outdoor environment, adverse weather conditions body of this flashlight is built of high quality aluminum alloy,and it has a very solid construction Hard-Anodized finish; Anti-abrasive, free-scratch, shock-proof Power by: 1x 18650 3.6v/3.7v OR 3X AAA battery