Features 1、The current and voltage regulation is effective, and the wind energy utilization rate is high. The product is resistant to high temperatures to make sure the power generation rate 2、The product is suitable for charging boats, terraces, cabins or mobile homes, etc., very versatile, practical and convenient 3、Adopt external rotor AC motor is adopted, effectively reduces the drag torsion. The good matching characteristics of the wind wheel and the generator make the entire unit run more reliable 4、Wind turbine kit have stable structure, excellent performance and long service life 5、Using good quality alloy steel and plastic material, sturdy and possess corrosion resistant 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