1,net weight 6.0kg 2,high wind energy utilization 3,beautiful appearance 4,low vibration operation 5,low resistance torque Features 1, Low starting up wind speed, Also can install multi-blades according the lower wind speed areas.2,High strength from the die casting Aluminium,anti-corrosion and waterproof .3,Easy installation, connected by the flange or tube.4,rare earth permanent magnet ...