ALEKO 900W 900 Watt 12 Volt Wind Turbine Residential Wind Generator with Free Charge Controller CD5.0 Aleko 900 Watt 12 Volt system uses wind to generate power and run your appliances and electronics Constructed from lightweight, weatherproof cast aluminum Latest 2014 design with 3 blades Wind turbines include generator, 3 blades, tail, hardware and Free Charge Controller CD5.0 1-Year Warranty