Uses the high tech, high efficiency LED light bulb, --light moves in only one direction, Long life and energy saving. Features:1,Built-in rechargeable, free maintaining and sealed 1000mah lead-acid storage cell.2, Long life battery which can be cycled to drain and charge up to more than 500 times for using.3, Uses the high tech,high efficiency LED light bulb ( light moves in only one direction, ...