Integrating Quiet Technology and an efficient mechanical design, Champions 3,500-Watt Digital Hybrid Generator produces half the noise (64dB at 23 ft.), 20% lighter weight and more compact footprint compared to previous models. The manual-start, 224cc engine generates 4,000 starting watts and 3,500 running watts. Quick Touch panel puts all controls in one easy-to-access spot. Generator comes fully assembled just add gas and oil. Use the economy mode to save fuel and extend engine life. Runs up to 17 hours at 25% load. Receptacles include a 30-amp RV, two 20-amp duplex and a 12-volt DC. Comes with USB adapter (automotive style 2.1A and 1A ports), automotive-style battery cables and oil funnel. Manufacturers three-year warranty. 20.5L x 17.9W x 17.7H. Wt: 81.5 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Generators.