This Cummins Onan Quiet Gas 4000 Series RV Generator is lightweight, compact, and quiet. It can run one 13500 BTU air conditioner with a 2000 watt baseload and power to spare. It has a microprocessor control, digital voltage regulation, fault protection, overload and overcrank protection, and much more. It includes generator troubleshooting with diagnostic codes. It has an exceptionally quiet operation with a full housing and an enclosed USDA Forest Service approved spark arresting muffler. It meets the National Park Service 60dB at 50 feet sound level requirement. The 4-point isolation mounts decrease vibration. Installation further reduces noise. It has an electronic fuel pump with positive fuel safety shutoff, replaceable air cleaner and automatic choke, splash lubrication, and automotive-type starter.