Specifications Rated Frequency 50/60Hz Rated Voltage 110/220V Rated Output Power 5.0/5.5 KVA Max Output Power 4.5/5.0 KVA Phase No. Single phase Excitation mode Self-excitation & constant voltageltage Engine model 186FAE/4-stroke air-cooled Starting system Electric Start Low oil pressure alert Yes Battery Yes Phase connection 1 phase Dimensions 950 (L) x 565 (W) x 770 (H)