This compact, lightweight and small-sized wind turbine is ideal for charging small 12V systems in all types of environments, on land and in the sea. Capable of generating energy where other wind turbines cannot, thanks to its minimum starting speed (2.57 m/s | 9.25 Km/h) and its great inertia. Patented electronic protection system against strong winds, guarantees continuous generation from winds greater than 15m/s | 54km/h The Rutland 504 is extremely quiet. System of blades with perimeter protection ring for its installation with total safety. Controller not included.