... can be special requested;3.Ce,ccc,iso approved;4. For on-grid working system data, pls contract with us.4. We have ... diameter 4m, 3.8m, 3.2m for different wind place. For output power curve, pls contact with us!http://www.hayaturbine.com 2kw ... 50hz, 230V 50hz, 110v 60hz, 220v 60hz 2kw wind turbine for home use with CE proved