1,Vertical axis wind turbine 300W low weight,high efficient. 2, High quality, low noise 3,Automatically stall protection Solare New Energy Vertical axis wind turbine 300W Specification:1. Low start-up wind speed.2. Wind blade material: Anodized aluminum.3. Mini size4. Light weight.5. Unique structure, Latest design , beautiful appearance.6. Extremely low noise, no noise can be heard during the ...