Refurbished MARINE GRADE 500 WATT 12/24V WIND GENERATORNature Power's wind turbine can produce up to 500 Watt of power. Use with an inverter to run small TVs, phones, lights, radios, and power tools, in your cottage, cabin, work site where power from the electric company is too expensive or not available. Made of cast aluminum and marine grade coating it will withstand harsh environments and wind speeds up to 110 mph. A wind charge controller is included.