Product description Inverter system generator Energy-saving inverter generator Weima WM3800iS - Silencer Specifications Weima WM3800iS Generator Features Model WM3800iS Rated power 3.8 kW Max. power 3.3 kW Frequency 50 Hz / 60 Hz AC Voltage 110V / 120V / 220V / 240V D.C 5V (2A) Voltage regulation method Inverter Engine model WM148F / P Engine type Single cylinder, 4-stroke Air-cooled Overhead valves (OHV) Engine power 3.8 Engine shaft speed 4800 rpm Crankcase oil volume 0.3 L Fuel tank 4.5 L Working hours 6 hours Noise level: 60 dB Starting method: Recoil start (handle). The generator is new and comes with its accessories.