Description Our 4650-watt inverter generator meets ANSI/PGMA G300-2018 requirements and features CO ShieldÂ, the Carbon Monoxide auto shutoff system. The 212cc engine runs for up to 14 hours on gasoline or up to 21 hours with a 20-lb propane tank plus you can increase your power with the optional Parallel Kit.The Champion Power Equipment 4650-Watt Inverter Generator with CO Shield is ultra-quiet and ideal for camping, tailgating, powering items around the RV or providing backup for your essentials.Championâs EZ Start Dial makes getting started quick and easy. This unit features Cold Start Technology, Extended Run Time, and an easy to read fuel gauge.With a 0.5-quart oil capacity (included 10W-30) and a low oil shut-off sensor, this inverter operates at an ultra-quiet 61dBA from 23 feet, which is about as loud as normal speech.The no tool access panel and oil drain tube allow for easy maintenance.FEATURES:Dual Fuel: Operate your 4650-watt portable generator right out of the box on either gasoline or propaneQuiet Technology and Extended Run Time: 61 dBA is great for RVs, tailgating, or camping with 4650 starting watts, 3650 running watts and up to 14 hours run time on gasoline, and 3285 running watts and up to 21 hours on propaneParallel Ready: The optional parallel kit (sold separately) enables this inverter to connect with another Champion inverter to increase your power outputIntelligauge with Power Meter: Monitor voltage, frequency and operating hours with ease, plus the EZ Start Dial simplifies startup while the UL-recognized sensor uses an LED to indicate CO Shield shutoff or faultChampion Support: Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts