About Product:This product is the built-in rechargeable battery switching power supply and a long-life capacity of up to 1800mAh; long battery life, 500 times for rechargeable; external electric or built-in battery powered lighting; using 44 energy saving, high brightness, long life LED patch (a group of white light, a group of warm light); adjustable color temperature, namely bright white light, warm light alone or at the same time, a bright white light and warm light.