Generator:1) Rated output: 2.2kW to 5.5kW2) Rated voltage: 110V, 120V, 230, 240V, 220V / 110V, 240V / 120V3) Rated frequency: 50Hz / 60Hz4) Rated speed: 3,000rpm / 3,600rpm5) Power factor: 100%6) Excitation system: self-excitation7) DC output: 12V, 8.3AEngine:1) Type: single-cylinder, 4-stroke, OHV, air-cooled2) Max output: 2.5kW to 6.8kW3) Starting system: recoil or electric4) Noise level (7): 67 to 72dB(A)Outer packing: Carton