Features 1、Wind turbine parts are made of alloy steel and plastic materials, which are resistant to high temperatures and can ensure a good power generation rate. 2、Using external rotor AC motor, effective current and voltage regulation, with high wind energy utilization rate. 3、The motor structure design can effectively reduce the drag torsion during operation and reduce wind energy consumption. 4、The good matching characteristics of the wind turbine and the generator make the entire unit run more reliable. 5、The wind generator is widely used for charging boats, terraces, huts or mobile houses, etc. Specification Item Type: Wind Turbine Material: Alloy steel + plastic Rated Wind Speed: 12m/s Starting Wind Speed: 2m/s Safe Wind Speed: 45m/s Wind Wheel Diameter: Approx. 0.9meter / 3ft Number of Blades: 4 Package List 1 x Fastening Tool Kit 4 x Blade 1 x Wind Turbine 1 x User Manual 1 x Fixed Sheet 1 x Wrench 1 x Controller