Automatic Standby Generator Diesel Standby Power Rating 15kW 3 Phase Generator Voltage 120VAC/240VAC Transfer Switch Included No Enclosure Material Aluminum CARB Compliant Yes Engine Cooling Liquid Generator Engine Brand Generac Engine Size 2.2L Height 50 In. Width 31 In. Length 81 In. Engine RPM 1800 Amps 45.0 60 Hz Sound Level dBA 70 5 yr. Generator Mfr Warranty Details Automatic Volts Regulation Yes Battery Included No 12VDC Battery Charger Yes