INST Solar Powered LED String Light, Ambiance Lighting, 65ft 20m 200 LED Solar Fairy String Lights for Outdoor, Gardens, Homes, Christmas Party (White) This solar LED works by converting solar energy into electricity during the day, and it lights up automatically at dark. If the little green light on solar panel turns off, then it is out of power and needs to be charged Total length: 65 Ft, 20m. 200 LED lights Suitable for indoor and outdoor decoration with trees, wreaths, etc. Sealed process, with good waterproof performance. 200 LED lights STEADY and FLASH in a string, form a beautiful and fairy world.