Power: 1KW Rotor diameter: 2.8m Blades quantity: 3 pcs Blades material: FRP (composite material) Rated speed: 360r/min Rated output power: 1000W Max output power: 1500W Output voltage: DC48V/AC220V Start wind speed:3m/s Rated wind speed:8m/s Working wind speed: 3-25m/s Security wind speed: 40m/s Speed regulation: yaw& magnetic resistance Charge control: AIC (automatic intelligent control) Windturbinetype: PMG (onconstantmagnets) Working temperature: from -40 to +60 C Annual average energy production: 2500kWh Recommended accumulators: 600Ah Accumulators full charge time: about 8 hours Tower type: pull wire tubular tower or cone tower(optinal) Tower height:6m (optional) Weight: 45kgs (without tower) Can Supply Power For: water pump, TV, Washer, Illumine, Fanner, Charge. Packing is by plywood box.