Green Energy---2KW Wind Turbine Model Number: FD4.0 - 2KWRotor Blade Diameter: 4.0mNumber of Blades: 3pcsMaterials of Blade: Glass FiberRated Rotation Speed: 400(r/m)Type of Generator: Permanent-magnet 3 Phase ACRated Power: 2000WMax Power: 3000WOutput Voltage: 96v/108vCut-in Wind Velocity: 3(m/s)Rated Wind Velocity: 8(m/s)Working Wind Velocity: 3-25(m/s)Survival Wind Velocity: 50(m/s)Monopole Tower Height: 6mOutput controlling system: Electrified Controller & InverterRecommended Batteries: 12V100AH, 8 piecesCan load: light, fan, charge, TV, pump, washer, refrigerator and electric cookerAuthentication: CE and ISO certificate