Features The current and voltage regulation is effective, and the wind energy utilization rate is high. Resistant to high temperatures, thereby ensuring the power generation rate The product is widely used for charging boats, terraces, cabins or mobile homes, etc., versatile, practical and convenient The good matching characteristics of the wind wheel and the generator make the entire unit run more reliable. The external rotor AC motor is adopted, and its design effectively reduces the drag torsion Good quality alloy steel and plastic material is adopted, durable with corrosion resistant Wind turbine kit provide stable structure, excellent generation performance and long service life Specification: Item Type: Wind Turbine Kit 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 Accessories Package 5 x Blade 1 x Wind Turbine 1 x User Manual 1 x Fixed Piece 1 x Wrench 1 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. Package List 1 x Accessories Package 5 x Blade 1 x Wind Turbine 1 x User Manual 1 x Fixed Piece 1 x Wrench 1 x Controller