[Solar Powered & Auto On/Off] : Solar tree lights solar-powered outdoor string lights are designed to save energy and reduce electricity costs. Equipped with a larger solar panel and quick charging technology, they offer higher solar energy conversion efficiency. After just 8 hours of charging, the lights can operate for 8-10 hours. Simply place the solar panel in a sunny area, and the lights will automatically turn on at night and charge during the day, ensuring hassle-free operation. [8 Lighting Modes & Memory Function] : Customize your holiday ambiance with 8 different lighting modes, including Waves, Combination, Fading, Fireflies, Chasing, Twinkle, Fading Slowly and Steady-On. The built-in memory function saves your last mode setting, so you don’t need to reset it every time. These solar-powered fairy lights are perfect for creating a festive atmosphere for Christmas, weddings, parties, or garden decor. The easy-to-use On/Off and mode button make it simple to switch between