Note Battery cannot be run out of power Otherwise it cannot be charged Please do turn it off and charge immediately when blue lights become 1 Powerful led flashlight use XLamp XHP50 LED for a maximum output of up to 90000 lumens. Rechargeable battery compartment to make the working time longer. Battery capacity display, telescopic zoom Micro usb for computer USB, car USB, USB charging plug, charging flashlight. Constructed from aero grade aluminum alloy Robust HAIII military grade hard-anodized Waterproof in accordance with IPX-4,Water resistant, can be used in rainy weather, but can not put it into water. Suitable for working,hunting,climbing,fishing, camping and outdoor activity etc.Products from Bazhou's store