Qedertek Dragonfly Solar String Lights, 20ft 30 LED Waterproof Fairy Decoration Lighting for Indoor/Outdoor Home, Patio, Lawn, Garden, Party, Wedding, Seasonal Holiday, and Christmas (White) Special Appearance -- Special solar dragonfly lights-like appearance makes your environment stand out, perfect for indoor/outdoor decorations. ??Automatically -- Put under sunshine during the day, and it begins to light up at night automatically when power on. Long Working Hours -- The solar string light can continuously working for 8 hours at night once rechargeable battery is fully charged. Easy to Use -- Solar lights with 2 buttons to control. One for power, another for 8 modes to choose from. Attention -- The solar panel need directly exposing to sunlight to conserve sufficient solar power before first use. Plus, to ensure sufficient solar energy to be stored for the lights to function smoothly in winter, panel should be fully exposed to sunlight as well.