portable gasoline generator Rated output power (kW): 2.5 Max output power (kW):2.8 single cylinder, 4-stroke, air-cooled,OHV, MODEL: portable gasoline generatorEM3500A\EM3500B\ ... ]:43/45EngineEngine model:EM200Engine type:single cylinder, 4-stroke, air-cooled, OHV, gasoline engineDisplacement [cc]:196Compression ratio:8.5:1Rated ... (above CC grade)Low oil alarm system :With portable gasoline generator