【Solar Powered】Powered By Solar Energy, Each Windmill In The Yard Is Equipped With Rechargeable Ni-Mh Batteries, They Will Charge for 6-8 Hours During The Day and Work for 8-10 Hours When Night Falls. 【Durable Using】The Retro Wind Spinner Is Equipped With A Bright Warm White Bulb and A Large-Capacity Battery. This Is Made Of Durable and Anti-Rust Paint Metal With Ip65 Waterproof Grade, Which Can Illuminate Even In Bad Weather. 【Solar Wind Spinner】Powered By Solar, Two Tiers Blades In The Solar Wind Spinner. As Night Falls, It Flashes A Soft, Jewel-Like Light, Bright Metal and Rgb Changing Lighting Create Visual Enjoyment In The Garden. 【Wind Spinners Dimensions】70*16inches, There Are Multiple Connecting Rods Inside, Which Can Be Installed According to Your Favorite Height. It Can Be Easily Assembled Without Wiring and Without Any Installation tools. 【High Quality After-Sales Service】If You Have Any Questions, Please Contact Us Immediately, We Will Reply You Within 16 Hours and Deal With It Until You Are Satisfied.