Feature:1. High temperature resistance, guaranteed power generation rate, effective current and voltage regulation, high wind energy utilization rate.2. It is widely used for charging boats, terraces, cabins or mobile homes, etc.3. External rotor AC motor, the motor structure design effectively reduces the drag torsion.4. The good matching characteristics of the wind turbines and the generator make the entire unit run more reliable.5. Installation convenience, comes with tool kit, it is a cost reduction and easy and quick installation.Specification:Item Type: Wind Turbines KitMaterial: Alloy Steel + PlasticColor: BlackRated Wind Speed: 12m/sStarting Wind Speed: 2m/sSafe Wind Speed: 45m/sWind Wheel Diameter: Approx.0.9m / 2.95ftNumber of Blades: 5.Package List:1 x Bag of Fastening Kit5 x Blades1 x Wind Generator1 x Instruction Manual1 x Fixed Sheet8 x Gasket1 x Wrench1 x ControllerNote:1. When assembling, please place the generator, do not drop, knock, or touch, 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 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. 4. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.