Detailed Product Description wind turbine for home 1.CE proved+7patents 2.high efficiency+small size 3.NO MOQ+wholesale price 4.professional factory wind turbine for home Features of hummer 500W wind turbines: 1. SCF supercritical generator technology, generator weight only 6.5 kg, generator efficiency over 0.78. 2. Quality parts use SKF bearings and so on 3. Sine wave output, drive water pump (