About Product:This product is the built-in rechargeable battery, long life, maintenance free capacity of up to 1800mAh; the encoder control chip and the encoding switch, shaping the electrodeless dimming function; long battery life, 500 times for rechargeable; using 36 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.