【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. 【Weather Resistant】Suitable for Outdoor Use, The Wind Spinner Can Work Normally Under All Kinds Of Weather With The Waterproof Rating Of Ip65 and Weatherproof, No Worries About Rain, Snow, Frost, Or Sleet. 【Premium Quality】 The Solar Wind Spinner Is Made Of Durable Metal, Bright and Long-Lasting Antique Finish Anti-Rust Paint. When Getting Enough Sunlight, The Colorful Rgb Led Light Will Be Turned On Automatically and Can Last for 8 Hours Or More At Night. 【Easy to Install】The Solar Wind Spinner Is Easy to Install, No Extra Wiring, Install Them together and Place Them In The Sunny Position With Metal Stake, Just Enjoy Your Garden Decorations. Do Not forget to Remove The Protective Cover Of Stake Before Use! 【Warm Prompt】 There Is On/Off Switch At The Bottom Of The Glass Ball. When You Receive Solar Lights, Please Turn On Switch Before Charging