Specifications: -Blade material: nylon fiber-Colour: black-Blade length: 85cm-Wind turbine diameter: 170cm-Rated power: 500W-Maximum power: 550W-Rated voltage: 24/48V-Starting wind speed: 2.5m / s-Rated wind speed: 10m/s-Safe wind speed: 50m / s-Number of blades: 5 pcs-Braking method: electromagnetic-Wind direction adjustment: automatic adjustment of the wind-Wind power and type: three-phase AC permanent magnet synchronous generator-Operating temperature: -40 в„ѓ ~ +80 в„ѓ  Features: -Starting wind speed is low, high wind energy utilization, small size, good looks, low operating vibration.-User-friendly design: convenient equipment installation, maintenance and repair.-Using high-power tracking intelligent microprocessor control, effective regulation of current and voltage.-The shell is made of aluminum alloy die-casting, with double bearing carrier, strong anti-typhoon capacity, safe and reliable operation.-The wind wheel and blade with a new technology by precision injection molding, coupled with the optimization of the aerodynamic shape design and structural design, high wind energy utilization factor, an increase of annual power generation.-The generator using patented magnetic bearing alternator, coupled with a special stator design, effectively reduce the resistance torque of the generator, while the wind wheel and the generator has better matching characteristics, reliable unit running.  Package Included: 1x Wind turbine kit (stent is not included)