This 2-piece LED solar light set comes complete with tube, ground spike and rechargeable battery and is easy to install. It is a perfect decorative lighting for gardens, patios, paths, yards and balcony.This solar ball light is made of durable plastic for years of use. With twelve 0.1 W LED lights inside, the lamp is able to provide 1.2 W lighting. The light would turn on automatically when it gets dark and its duration of lighting depends on weather conditions. Usually it can last 8 hours with 3-hour solar radiation.Since the battery is charged by solar energy, the light would bring no pollutions to the environment. And with no need of using wires to connect light to socket for charging, it is safer for use and more convenient to move. Besides, you do not need to pay electric charges for this ball light since it is solar powered. It is truly a one-time investment that brings permanent returns.