This 31.5in solar Christmas tree light set (1 main tree + 3 auxiliary trees) will create an energy-saving and dreamy holiday courtyard for you. During the day, the high-efficiency monocrystalline silicon solar panel quickly absorbs light energy; when night falls, the intelligent light sensing system automatically wakes up the 1200mAh lithium battery, releasing warm and dazzling copper wire lights, without wiring and plugging in
