Vertical Axis Home Wind Power 5kw 10kw Farm Grid-Connected off-Grid Wind Turbine. Low Noise Operation: Curved blade design ensures low noise for home and camping use. Wide Wind Speed Range: Operates efficiently from 2.5m/s start speed up to 25m/s working speed. Customizable Blade Colors: Available in White, Red, Blue, Green, or customized colors. 5-Year Warranty: Comprehensive 5-year warranty coverage for peace of mind. Free Technical Support: Free after-sales technical support provided for all units. Multiple Mounting Options: Suitable for slope roof, flat roof, or ground installation. High Efficiency Generator: Coreless maglev generator with 30%-40% wind energy utilization. Robust Protection System: Features electromagnetic brake and overload protection for safety.