·Low start up wind speed , compact , light , beautiful and with little vibration . ·Easy installation , flange connection. ·Blades using aluminum alloy, spray-paint and oxidation treatment of the blades surface , strengthen the anti-corrosion level , more beautiful and durable . Color optional. ·Patented permanent magnet ac generator with special stator ( maglev generator ) , effectively reduce torque , make only 1 / 3 torque of ordinary generator, well match the wind wheel and generator , and ensure the performance of whole system.