The Champion Power Equipment 100416 8000-Watt Tri-Fuel Portable Natural Gas Ready Generator with CO Shield is reliable, giving you the ability to operate your generator on 3 types of fuel. The EZ Start dial allows you to safely select gasoline, propane (LPG), or natural gas (NG) as your fuel source, and a propane/natural gas selector is located on the side. Using natural gas, the engine produces 8750 starting watts and 7000 running watts. A 6-foot propane hose with a built-in regulator is included, and a 25-foot NG hose kit. Using gasoline, the 459cc Champion engine will run for 12.5 hours at 50% load when the fuel tank is full. When using a 20-pound propane tank, it will run for 5 hours at 50% load. The covered outlets include a 120V 30A locking outlet (L5-30R), a 120/240V 30A locking outlet (L14-30R) and four 120V 20A GFCI protected household outlets (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.