Solar Metal Wind Spinner Color Changing Light Mobile for Garden Outdoor Decor Elegant voice: Made of metal tube, it will make voice with wind. Color Changing Light: With LED ball light. The light will light up by night. Solar Operated: The solar panel is located at the top of the wind chimes. Auto charge during the day. Easy use: Pull the switch to "on" status on the back of panel and put it under sun for power.