200 LED Solar Fairy String Light Christmas Wedding Party Garden Tree Decor (White) Solar-powered decorative lights with 200 pieces of green LEDs. Easy installation, environmental-friendly, high energy conversion rate. The specific light-control system makes sure that the LEDs only light up in dark. Automatically get charged during the daytime (enough sunshine), and light up at night. Waterproof, can be widely used for decoration of roads, courtyards, shop windows, stores, halls, stages, etc. Best choice for decorating Christmas tree as it can create a warm and romantic holiday atmosphere.