... & low noise 4.CE,ETL,Rohs 5. off grid home wind turbine HYenergy wind turbine features:CE certified ... or 4.5mphCut-in Speed2.5m/s or 5.6mphRated Wind speed12m/s or 26.8mphSystem average ... 5m/s gusting)<20dBKWH/month (monthly avg. wind speed 5.5m/s)Approx. 90Working Temp. range °Cfrom -40 ... , wind energy, wind power, wind power home system, wind energy home system, wind solar hybrid power, wind solar ...