Feature: 1. SAFE AND EFFICIENT: The wind generator starts safely at low speed, with low vibration, high wind energy utilization, and high efficiency. 2. NYLON FIBER BLADE: This wind turbine has 5 blades, which is made from nylon fiber, waterproof, corrosion resistance, lightweight. 3. HIGH EFFICIENCY MOTOR: Adopt three phase permanent magnet synchronous motor with high performance NdFeB permanent magnets, efficient and compact. 4. AUTOMATIC ADJUSTMENT: With yaw adjustment system, can automatically read the wind direction and position and adjust the rotor position, catch the maximum wind energy. 5. PROFESSIONAL DESIGN: The tail is designed according to the principle of aerodynamics to maximize efficiency, the blades are long and could generate a lot of energy and power. Specification: Item Type: Wind Turbine Generator Material: Aluminum alloy, nylon fiber Rated Power: 400W Maximum Power: 410W Start Wind Speed: 2.0m/s Rated Wind Speed: 13m/s Safe Wind Speed: 50m/s Diameter of Wind Wheel: Approx. 1.4m/55.1in Number of Blades: 5 blades Generator Type: Three phase AC permanent magnet generator Braking Method: Electromagnetic Wind Direction Adjustment: Automatically adjust the windward direction. Package List: 1 x Wind Turbine Generator5 x Blades1 x Flange Holder2 x Hex Wrench1 x Controller1 x Fairing1 x Wind Wheel Hub4 x Large Screw4 x Large Nut8 x Large Washer4 x Washer10 x Small Screw10 x Small Nut1 x Manual