The FIRMAN P03613 Gas generator stands alone. This generator comes with new PGMA compliant CO shutoff alert system. Equipped with 3650 running watts / 4550 starting watts and runs at 67dB. The ergonomic grip makes for simple starting with the reliable recoil start. 30A plugs, 120V power California and Canada emissions certified, and RV ready with a 4-in-1 data minder measuring Volts, Hertz, Hrs and low oil indicator makes this the perfect machine. Our Max Pro Series 208cc engine runs cool and efficient thanks to the Phoenix Fat Head Block. Equipped with a 5 gallon fuel tank, the P03613 runs for 14hrs. Work. Play. Enjoy! Note: Everything you need is in the box including: oil, funnel, operator's manual, and spark plug wrench.