Power: 600W Rotor diameter: 2.5m Blades quantity: 3 pcs Blades material: FRP (composite material) Rated speed: 400r/min Rated output power: 600W Max output power: 750W Output voltage: DC24V/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) Wind turbine type: PMG (on constant magnets) Working temperature: from -40 to +60 C Annual average energy production: 1500kWh Recommended accumulators: 300Ah Accumulators full charge time: about 8 hours Tower type: pull wire tubular tower or standarding alone tower(optinal) Tower height:6m (optional) Weight: 40kgs (without tower) CAN SUPPLY POWER FOR: Color TV, lighting, electric fan and charger