The Champion Power Equipment 4250-Watt Open Frame Inverter Generator is one of the most innovative products on the market. Our advanced technology and innovative design will improve the way you power your life. Champion’s got convenience covered. Starting and stopping your generator from up to 80 feet away with the wireless remote key fob is a snap. First . we cut the noise level in half by integrating Quiet Technology digital components used in more advanced inverters. Then . we created an efficient mechanical design to decrease the overall footprint and weight by 20 percent. A quiet . lightweight addition to your RV and a cost-effective power solution . this Open Frame Inverter is smaller . quieter . lighter. Better Champion Power Equipment recoil start features Cold Start Technology . plus the reliable 224cc Champion engine produces 4250 starting watts and 3500 running watts . and runs for 22 hours at 25% load when the 4-gallon gasoline tank is full. With a 0.6-quart oil capacity (included 10W-30) and a low oil shut-off sensor . this inverter operates at 64 dBA from 23 feet . which is a bit louder than normal speech. Confidently connect your sensitive electronics since this inverter produces Clean Power (less than 3% THD). Our Quick Touch Panel offers fast access to all your controls. The Intelligauge monitors voltage . frequency and operating hours with ease . while Economy Mode monitors power consumption in real time to reduce engine wear and tear. As the electrical load is reduced . the inverter reduces engine speed . providing quieter operation . extended engine life and higher fuel economy. The covered outlets in this RV Ready inverter include a 120V 30A RV (TT-30R) . two 120V 20A household outlets (5-20R) plus two convenient USB ports you can use to power your phone . laptop . or similar device. The optional Parallel Kit (sold separately) . with included standard 50-amp RV outlet . provides a clip-on connection which allows you to increase output by connecting up to two 2800-watt or higher inverters or digital hybrids.