Model Number: FD4.0 - 2KW Rotor Blade Diameter: 4.0m Number of Blades: 3pcs Materials of Blade: Glass Fiber Rated Rotation Speed: 400(r/m) Type of Generator: Permanent-magnet 3 Phase AC Rated Power: 2000W Max Power: 3000W Output Voltage: 96v/108v Cut-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) Tower Height: 6m Output controlling system: Electrified Controller & Inverter Recommended Batteries: 12V100AH, 8 pieces Can load: light, fan, charge, TV, pump, washer, refrigerator and electric cooker Authentication: CE certificate