RioRand Solar Fairy String Lights 21ft 50 LED Multi-color Blossom Decorative Gardens, Lawn, Patio, Christmas Trees, Weddings, Parties, Indoor and Outdoor Use (50 LED Multi-color) (50 LED) Powered by RioRand Advanced Technology 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).