... 65db 3.Less vibration,Easy install ,Free maintenanc 20kw WIND TURBINE Main technical data as follows:Power: 3kWBlade ... diameter: 5mRated rotated speed: 220rpmRated wind speed: 10m/sRated power: 3,000WMaximum power: ... 12m/s(rated Power)20KW(max Power)35kw(output voltage)380V(start up wind speed)3(m/ ... electric pan, color TV, lighter, fan , charger 20KW Wind Generator/Turbine