Feature: 1. High wind energy utilization, small size, beautiful appearance, and low operating vibration. 2. External rotor AC motor, which can effectively reduce the resistance torsion of the generator. 3. Making the wind wheel and the generator better match, and improve the stability of the unit. 4. Using high‑quality alloy steel + plastic materials, ,with good toughness and high strength. 5. It is widely used for charging on boats, terraces, cabins or mobile homes. Specification: Item Type: Wind Turbines Kit Material: Alloy Steel + Plastic Color: White Rated Wind Speed: 12m/s Starting Wind Speed: 2m/s Safe Wind Speed: 45m/s Wind Wheel Diameter: Approx.0.9m / 2.95ft Number of Blades: 5 . Package List: 1 x Bag of Fastening Kit5 x Blades1 x Wind Generator1 x Instruction Manual1 x Fixed Sheet1 x Gasket1 x Wrench1 x Controller Note: 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.