Feature: 1. Has a 800W great power, and effective control on current and voltage, high wind energy utilization rate. 2. With high temperature resistance, the generator promises the excellent outdoor working performance. 3. The external rotor AC motor will reduce the drag torsion to ensure good matching and reliable operation. 4. Allows for flexible application in charging for boats, terraces, cabins, mobile homes, and so on. 5. The assembly is very easy. The premium material and sturdy construction make it durable for long?term use. Specification: Item Type: Wind Turbine Product Material: Alloy Steel + Plastic Rated Wind Speed: 12m/s Starting Wind Speed: 2m/s Safe Wind Speed: 45m/S Wind Wheel Diameter: Approx. 0.9metre / 3ft Number of Blades: 5. Package List: 1 x Fastener Package5 x Blade1 x Wind Turbine1 x User Manual1 x Stator1 x Wrench1 x Controller Note: 1. When assembling, please place the generator well, do not drop, knock, or touch, which 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 it will affect the normal use of the product, and in severe cases, it will burn the product;3. After assembling, first confirm whether each screw is fixed well before using.