The Champion Power Equipment 200970 3650-Watt Dual Fuel Portable Generator with CO Shield is the perfect combination of versatility and convenience. The reliable recoil start, plus Cold Start Technology ensures a quick start in cold weather. Designed with a low oil shut-off switch, this unit includes 0.6-quarts of 10W-30 oil, and a 6.5-ft propane hose with a built-in regulator. Using gasoline, the 224cc Champion engine produces 4550 starting watts and 3650 running watts, and will run for 14 hours at 50% load. It produces 4100 starting watts and 3285 running watts, and will run for 10.5 hours at 50% load when using propane. With a noise level of 68 dBA, plus the Volt Guard built-in surge protector. All the outlets have covers for protection and include a 120V 30A (TT-30R) RV outlet, a 120V 30A outlet (L5-30R), and a 120V 20A household duplex outlet (5-20R). CO Shield technology monitors the accumulation of carbon monoxide (CO), a poisonous gas produced by engine exhaust when the generator is running. If CO Shield detects unsafe elevated levels of CO gas, it automatically shuts off the engine. CO Shield is not a substitute for an indoor carbon monoxide alarm or for safe operation. DO NOT allow engine exhaust fumes to enter a confined area through windows, doors, vents or other openings. Generators must ALWAYS be used outdoors, far away from occupied buildings with engine exhaust pointed away from people and buildings. Meets the requirements of ANSI/PGMA G300-2018.