Feature: 1. The installed wind turbine is in the shape of a lantern, which can reduce the energy consumption when the wind wheel is facing the wind. 2. The double?layer 5?blade wind turbine has high wind energy utilization rate, which can ensure a good power generation rate. 3. The structure design of the external rotor AC motor can effectively reduce the wind resistance, and the good matching of the wind wheel and the generator makes the whole unit more reliable. 4. Made of high temperature resistant materials, can adapt to various harsh outdoor environments. 5. Widely used in ships, terraces, cabins or mobile homes and more solar and wind power generation systems. Specification: Item Type: Wind Turbine Set 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: 5pcs . Package List: 1 x Fastening Tool Kit5 x Blade1 x Wind Turbine1 x User Manual1 x Fixed Sheet1 x Wrench1 x Controller Note: 1. When assembling, please place the generator, do not drop, knock, or touch, otherwise it will 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 it will affect the normal use of the product, and the product will be burnt in severe cases.3. After assembling, first confirm whether each screw is fixed well before using.