The Champion Power Equipment 42431 gasoline powered portable generator is powered by an 80cc Champion single cylinder, 4-stroke OHV engine that produces 1200 running watts and 1500 starting watts. With a 1.45 gal. fuel tank this unit can run up to 10 hours at 50% load. The OHV engine is equipped with a low oil shut-off sensor and designed for long life and easy maintenance. This unit is ideal for camping trips, hunting, traveling, tailgating, and light jobs around the house. CARB approved for all 50 states.