Features 1、After installation, the wind turbine is lantern vertical axes type, which reduces the energy consumption when the wind wheel is facing the wind. 2、Using alloy steel and plastic materials, high temperature and corrosion resistance, can be used outdoors for a long time 3、The external rotor AC motor is adopted, and the motor structure design effectively reduces the wind resistance torsion during operation. 4、The good matching characteristics of the wind wheel and the generator make the entire unit run more reliable. 5、Widely used for charging boats, terraces, cabins or mobile homes, and solar and wind power hybrid systems. 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: 4pcs Package List 1 x Fastener Pack 4 x Blades 1 x Wind Turbine 1 x User Manual 1 x Fixed Piece 1 x Wrench 1 x Controller