Wedna Solar Powered 23ft 50 LED Peach Blossom String Lights Gardens, Lawn, Patio, Christmas Trees, Weddings, Parties Decorations(Multi-color) The solar panel is automatically working. It gives out light when the environment is dark.When under sunshine, it will be charging automatically. With 2 switch, one is Mode (Flashing mode convert switch), another is Power On/Off(After switch turned on, can automatic light control and charging). Super long working time,charging time 6-8 hours,working time 8-12 hours. Waterproof LED solar powered bulb , environment-friendly saving products. Carefully remove from packaging and assemble the string of lights in your designated area.