True sine-wave technology delivers pure, smooth waveform power for peak performance from all your electronics. Champion Inverter Generators are rated for 2,800 watts with a maximum load of 3,100 watts. Eco mode idles to conserve fuel on reduced loads. Includes a single 14-amp, 120-volt duplex. Overload protection and low-oil shut-off. 58dBA at 23ft. The 3100 has a 171cc Champion single cylinder, 4-stroke OHV engine with a 1.59 gallon tank and can run up to 8 hours on 25% load. EPA/CARB Approved in all 50 States. 18.3H x 14.3W x 24.4D. Wt: 94.8 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Generators.