【Auto On/Off and Solar Powered】 This Beautiful Outdoor Wind Spinner Light Is No Electricity Required. Powered By Solar, Built-In Photocell Sensor, So It Will Automatically Turn On The Lighting At Dusk, and Automatically Turn Off In Daytime. There Is A Switch At The Bottom Of The Glass Ball, Please Turn It to On Before Use. 【Durably-Built for Outdoors】Our Windmills for The Yard Garden Have A Solid Metal Construction With Sealed Bearings to Prevent Water From Seeping Into The Moving Parts and Cause Unwanted Water Damages. 【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. 【Easy to Install】The Solar Wind Spinner Is Easy to Install, No Extra Wiring.Place Them In The Sunny Position, Just Enjoy Your Garden Decorations. 【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.