TrustFire Z8 Cree XM-L T6 LED Stainless steel Zoom 1200 Lumens 3 Modes Flashlight Torch 14500 .Excellent waterproof, suitable for outdoor environment, adverse weather conditions TrustFire Z8 Cree XM-L T6 LED Stainless steel Zoom 1200-Lumen 3-Mode Flashlight 14500 unique design,the rear opening,the effective conductivity to prevent the negative phenomena falling body of this flashlight is built of high quality aluminum alloy,and it has a very solid construction Also suitable for home use, like looking books, repairing, preventing for power cut at home