Features Effective current and voltage regulation, high wind energy utilization rate. High temperature resistance, ensures power generation rate. 3‑phase AC permanent magnet synchronous generator, stable operation, low noise. 5 blades, 12m/s rated wind speed, 300W high power, practical and reliable to use. Easy to install, compact size, convenient to use, greatly improves the scope of application. Specification:Condition: 100% Brand New Item Type: Wind Turbines Material: Alloy + Plastic Optional Color: Black, Blue Rated Wind Speed: 12m/s Number of Blades: 5 Wind Wheel Diameter: Approx. 1.2m/3.9ft Power: 300W Optional Voltage: 12/24/48V  Package List:5 x Blades1 x Washer1 Pack of Fastening Tool 1 x Motor 1 x Controller1 x Blades Cover Package List 5 x Blades 1 x Washer 1 Pack of Fastening Tool 1 x Motor 1 x Controller 1 x Blades Cover