Wind Turbine at 400W,Ideal for street light and small homemade system. Wind TurbineFeatures: Ideal for street light and small homemade system. High Efficiency, High reliabilityStart Up in Gentle BreezeLong Lifetime up to 15 years, Maintenance- freeLight Weight, Easy to InstallHeavy Wind Resistance, Low NoiseAnti-Rust, Anti-CorrosionDamp-Proof, Water-Proof, Sand-Proof Wind Turbine 400W