Gledto 30 LEDs Flower Outdoor Solar String Lights,16ft Waterproof Fairy Blossom Christmas Light LED Lighting for Yard, Garden, Patio, Wedding, Party and Holiday Decorations (Cool White) Romantic lighting effects illuminates during night, ideal for decorating your gardens, patio, lawn, porch, gate, yard, etc. IP 44 Waterproof: Suitable for indoor and outdoor decoration with trees, wreaths, etc. Long Working Time: Illuminates up to 8 hours at night if the panel absorbs enough sunshine during the day. This solar string lights converting solar energy into electricity during the day, and it lights up automatically at dusk. Energy-saving & Ultra Eco-friendly: Built-in rechargeable 1.2V 400mAh NI-MH battery is powered by solar energy, no pollution to environment.