LED SopoTek 50led Solar Fairy String Lights 21ft 50 LED Blossom Decorative Gardens, Lawn, Patio, Christmas Trees, Weddings, Parties, Indoor and Outdoor Use (50LED Blue) This wonderful string light illuminates during night, ideal for decorating your gardens, patio, lawn, porch, gate, yard, etc. Super long working time, it can continuously work more than 8 hours at night if the panel absorbs enough sunshine during day. Waterproof, suitable for indoor and outdoor use. Solar powered panel is stood by a 20cm garden spike. With ON/OFF, MODE switches. There is have 2 switch, one is Mode (Flashing mode convert switch), another is Power On/Off (After switch turned on, can automatic light control and charging).