Features Honda GX630 V-Twin Commercial Grade Engine More power, greater fuel economy & reduced emissions Electric Starting System (Battery Included) Makes starting this generator an easy task Oil Alert�® Warning System Shuts the engine down if oil reaches an unsafe operating level Digital Auto Voltage Regulator (DAVR) Ensures a consistent flow of power regardless of load Holding the voltage stable within 1% to provide clean power i-Monitorâ?¢ Digital Operation System Provides info for hours, wattage & engine speed Diagnostics for convenient dealer servicing 8.2 Gallon Fuel Tank w/ Fuel Gauge Provides extended run time for backup applications Full Panel GFCI Protection - OSHA Compliant Must use GFI type manual transfer switch for panel connection Not for use with interlock kit Extremely Quiet Operates at 76 dB @ 23' (equivalent to the sound of a vacuum) Also Includes, Wheel Kit, Locking-Folding Handles and Lifting Eye