OldShark Solar Christmas Party Lights Waterproof 72ft 200 LED Fairy String Lights for Christmas Trees, Outdoor, Gardens, Homes, Wedding, Birthday Party White LED solar lights is the use of solar power, super long working time, it can continuously work more than 8 hours at night if the panel absorbs enough sunshine during day. Easy installation and waterproof, suitable for indoor and outdoor use. Safe, power-saving and Eco-friendly. Unique optical technology can guarantee the high quality, after switch turned on, lamps and lanterns can automatically charge during the day and light up in the evening. Solar powered panel is stood by a 20 cm garden spike. With 2 switch, one is Mode (Flashing mode convert switch), another is Power OnOff(After switch turned on, can automatic light control and charging). This wonderful string light illuminates during night, best choice for decorating your Christmas trees, gardens, patio, lawn, porch, gate, yard, etc.