The Champion Power Equipment 73531i gasoline powered portable inverter generator is powered by an 80cc Champion single cylinder 4-stroke OHV engine that produces 1600 rated watts and 2000 max watts. With a 1 gal. fuel tank this unit can run up to 9.5 hours at 25% load. Our OHV engine is equipped with a low oil shut-off sensor and designed for long life and easy maintenance. This unit also contains true sine wave inverter technology making it safe to power all of you sensitive electronic devices. This unit is ideal for camping trips hunting traveling tailgating and light jobs around the house. CARB approved for all 50 states. 1600 rated watts 2000 maximum watts. 80cc champion OHV engine runs 9.5 hours at 23% load. 4-Stroke single cylinder air cooled engine recoil start. Low oil shut-Off. Cast iron sleeve for durability. 1.0 gallon fuel tank. Tubular steel frame for protection and durability. Fold-away handlebars. Stackable and parallel ready for more power. Lightweight and portable. Clean sine wave technology is great for sensitive electronics. Quiet: 53 dBA noise level from 23 feet. CARB/50 state compliant. Amperage (amps): 13.3 A. Assembled Depth: 19 . Assembled Height: 16 . Assembled Width: 13 . Auto idle control: Yes. Automatic Voltage Regulation: Yes. Built-in inverter: Yes. CSA Listed: Yes. ETL Listed: No. Electrical Product Type: Portable Generator. Engine Displacement (cc): 80. Fuel Gauge No Fuel tank capacity: 1.0(gallons). Fuel type: Gasoline. Full load fuel consumption: 0.1(gallons/hour). Horsepower: 3.5 hp. Low oil shutdown: Yes. Number of circuits/outlets: 2. Operational volume : 53(dB). Osha Required GFCI Outlets: No. Output Receptacles: 120 Volt / 5-20R. Product Height: 16 . Product Length: 19 . Product Width: 13 . Rated wattage continuous: 1600(watt). Rated wattage peak : 2000(watts). Run time at 50% load: 4(hours/tank). UL Listed: N-No UL Code Rating. Voltage Rating: 120.