About Product:This product is the built-in rechargeable battery, long life, maintenance free capacity of up to 2800mAh, the power can still be normal lighting; using switching power supply charging, the direct use of AC90-240V lighting; long battery life, 500 times for rechargeable; using 60 energy saving, high brightness, long life LED patch (a group of white light a group, for the warm light); adjustable color temperature, namely bright white light, warm light alone or at the same time, a bright white light and warm light.