This set contains 2 pieces solar LED light strings. The 3.8 meters solar light string with 24 pieces of LED lights is a perfect decoration for indoor and outdoor, ideal for trees, walls, porches, shop windows, open stage and so on. The lights would bring no pollutions to the environment since they are solar powered. During the day, the solar panel stores solar power in the rechargeable battery. At night, the light turns on automatically, using the stored energy. With no need of using wires to connect lights to sockets for charging, the solar LED string is safer for use and more convenient to move.