BESTSUN Super Bright 6000 Lumens 5 x CREE XM U2 LED Lamp 3 Modes Flashlight Power Source 1/2/3/4 x 18650 3.7v battery for Indoor/Outdoor Activities Like Cmaping, Hiking, Hunting etc.. This Searchlight torch uses of a 5x 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 Internal wiring applies the high efficient booster circuit, Power by : 4x 18650 3.7v rechargable battery