... down the cut-in wind speed and operate noise 400W Wind Generator(HLT-400)400W wind power street lamp, ... blades, which will cut down the cut-in wind speed and operate noise. The system will widely ... Voltage: 24VDC Start-up wind Speed: 2.5m/s Rated Wind Speed: 10m/s Max Wind Speed: 50m Rated rotating ... .08Included: Generator, blades, tail, hub, nose cone, charge controller 400W Wind Generator(HLT-400)