Check the listing for details. 3-blade Wind Turbine Generator 24V Wind Turbine Generator with Controller. Condition: New. Listed at 219.99 USD. Specification Material: ABS, Neodymium Iron Boron Process: Oxidation, Paint Spraying Color: Blue+White+Red Style: Modern Generator Type: Rare Earth Permanent Magnet Generator Braking Method: Electromagnetic Wind Direction Adjustment: Automatic Applicable Battery Voltage: 24V Shutdown Voltage: 29V Restart Voltage: 26.4V Rated Power: 400W Max. Power: 450W Protection Level: IP67 Max. Speed: 300RPM Noise: ≤ 30dB Working Temperature: -40~80℃/-40~176℉ Blade Size(D*H): 53*75cm/20.87*29.53in Rated Wind Speed: 14m/45.93/ft/s Starting Wind Speed: 2-2.5m/6.56-8.2ft/s Instantaneous Max. Wind Speed: ≤ 45m/147.64ft/s Max. Wind Speed: ≤ 40m/131.23ft/s Product Size: 85*38*19cm/33.46*14.96/7.48in Package Size: 86*38.5*20cm/33.86*15.16*7.87in Gross Weight: 9.84kg/21.69lbs.