Features:1. Low wind speed start-up(2m/s), high wind power utilization, light,cute, low vibration.2. Human-friendly design,easy to install and maintain.4. Blades using reinforced glass fiber, helped with optimized structure and aerodynamic shape, it enhanced wind power coefficient and power generating capacity.5. Using patented permanent magnet generator and special stator, it effectively reduces torque resistance and guarantees the stability . Specifications:Color: WhiteNumber of blades: 3/5Rated voltage: 48VPower: 800WWheel diameter: 1.3mRated wind speed: 13m/sSurvival wind speed: 50m/sStart-up wind speed: 2.0m/sBlades material: Nylon fiberGenerator case: Casting aluminum alloyControl system: Electromagnet/wind wheel yawSpeed regulation: Automatically adjust windward directionGenerator: Three phase permanent magnet ac synchronous generatorWorking temperature: -40в„ѓ-80в„ѓ Packaged included:1X Wind turbine generator3/5X Rotor blades1X Charge controller1X User manual1X Mounting accessories bag