400W Wind Turbine Generator Kit 12V Vertical Helix Wind Power System with Controller 3 Blades for Marine RV Home Outdoor Energy Garden Hybrid Solar Wind System Portable for DIY Users

- 【LONG SERVICE LIFE】Premium ABS and neodymium iron boron are treated with oxidation and paint spraying which are waterproof and not easy to rust or deform making this wind turbine generator kit suitable for outdoor home marine and RV use - 【HIGH CONVERSION EFFICIENCY】Aerodynamically designed blades and double bearings ensure smooth reliable rotor operation reduce vibration and enhance wind energy conversion efficiency making this 400W vertical wind turbine efficient in solar hybrid power systems - 【SMOOTH OPERATION】Low start wind speed and automatic windward adjustment ensure stable performance of this vertical axis wind turbine generator in multiple wind directions suitable for small windmill home marine RV and outdoor energy applications - 【LOW NOISE】Blades inspired by aircraft wing design and horizontal rotation result in noise less than 30dB making this portable wind-powered generator a quiet option for home garden marine or RV settings - 【SAFE USE】When maximum speed is reached this permanent magnet wind turbine generator automatically stops to prevent overload and features a vertical axis design for reduced wind pressure and safer operation in your hybrid electric system