Yoland Solar String Light, 7M/23Ft 30 LEDs Snowflake Shape Waterproof Starry Fairy Decorative Lighting for Home, Xmas, Party, Indoor and Outdoor Ornament, Purple Approximate 7M/23 Ft with 30 LED lamp and each moon light are between 3.94 apart. With a full charge. The moon fairy lights will provide lighting for 8 - 15 hours and adding color to your precious night. Charge up during the day and come on automatically when it gets dark as long as you have them set to on, you don't have to remember to turn them on/off. Just choose a FLASH or STEADY-ON light work mode. Auto sensor - Our string lights are designed with a premium light sensor to automatically illuminate when dark, and start charging at sunrise. The fairy light is waterproof, suitable for outdoor use and no need to worry for rain drops. For the sake of quality, please dont put the Yoland solar light in the water for long time. Beautifully designed and widely used in road, gardens, patio, porch, Christmas tree decoration. Eco-friendly with no pollution to environment, just bright enough to not annoy your eyes.