【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. Convert Sunlight to Electricity Saves Energy. 【Premium Quality and Waterproof】They Can Work Normally Under Kinds Of Weather With The Waterproof Rating Of Ip65, No Worries About Little Rain, Snow, Frost, Or Sleet. In Stormy Weather, Keep The Wind Catcher Indoors to Avoid Damaging The Solar Panels. 【Solar Windmill Light】Powered Led Lighting- Installing Our Metal Pinwheels for Yard and Garden Complements The Overall Lively and Relaxing Ambience You'Re Trying to Achieve, and Will Perfectly Harmonize With Your Existing Lawn Ornaments. 【Designed for Simplicity and Stability】Our Garden Spinner Or Yard Spinners Are Designed for Easy-Assembly and Have Stability Stakes At The Base to Help Ensure Firm and Stable Mounting to The Ground Esp On Windy Days 【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.