Feature: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, it has the characteristics of high temperature resistance and corrosion resistance, and can adapt to the environment.3. The external rotor motor design can effectively reduce wind resistance, ensure a good power generation rate, and improve wind energy utilization.4. Suitable for home, ship, surveillance, street lighting and more solar and wind power hybrid systems.5. 12V/24V/48V 3 styles to choose from, you can choose the right one according to your needs.Specification:Item Type: Wind Turbine SetMaterial: Alloy steel + plasticRated Wind Speed: 12m/sStarting Wind Speed: 2m/sSafe Wind Speed: 45m/sWind Wheel Diameter: Approx. 0.9m / 3ftNumber of Blades: 4.Package List:1 x Fastening Tool Kit4 x Blade1 x Wind Turbine1 x User Manual1 x Fixed Sheet1 x Gasket1 x Wrench1 x ControllerNote:1. When assembling, please place the generator, do not drop, knock, or touch, otherwise it may damage the product and affect the use.2. When connecting the controller, be sure to follow the wiring diagram on the controller to wire, otherwise the normal use of the product will be affected, and the product will be burnt in severe cases.3. After assembling, first confirm whether each screw is fixed well before using.