... Light weight 3.Reliable quality 3.12 month warranty Gas Generator Model EP1500EP2500EP3500EP4500EP5500EP6500EP7500Generator Type Brushless Revolving Magnetic Field , ... .55.56Power Factor cos=1Engine Model SML168FASML168FASML168FBSML177FSML182FSML188F-1SML188F-2Type Forced Air-cooled, 4-stroke, OHVDisplacement (ml) 163163196270337389389Max.Output ... ,GB/T2820,GB755 ,SONCAP ,AND SO ON. Gas Generator