If your house located at a windy place, you can save some from electric bills with this. The Light Wind, a lighting appliance that comes with a propeller. The propeller is used to generate power using its 6.5 feet wingspan to light up its base. So you won’t be using any of your power supply to put this light in your backyard. It measures 240 x 215 x 38 cm. Yeah, the wind-powered light.