1.Low start up speed ,high wind energy utilization. 2.Easy installation, tube or flan connection optional. 3.Blades using new art of precision injection molding,matched with optimized aerodynamic shape and structure which enhance the wind energy utilization and annual output. 4.Body of casting aluminum alloy, with 2 bearings swivel , making it survive wind and run more safely. 5.Patented permanent magnet ac nerator with special stator,effectively reduce torque,well match the wind wheel and nerator, and ensure the performance of whole system., Manufacturer: SOYWIM