Icicle Solar String Lights, 16ft 20 LED 8 Modes Dragonfly Shaped Waterproof Decorative Fairy Lights for Indoor/Outdoor, Garden, Patio, Fence, Lawn, Bush, Balcony, Party, Holiday Decorations (White) Eco-Friendly -- Solar powered, long working hours - keep solar panel exposing to direct sunlight during the day, and the bulbs will light up automatically at night for 8 hours. Easy to Use -- 2 buttons to control. One for power on/off, another for 8 modes to choose different light effects. Sepcial Decoration Effects -- Hang in wall, window, door, floor, ceiling, grass, trees or building, adds perfect atmosphere. Waterproof -- The lights are suitable for Indoor and Outdoor decorations, can withstand any bad weather like rain or snow. Note -- Please keep it exposing to direct sunlight for at least 5 hrs. with power button on. Any questions,please feel free to contact us.