Single phase generator features an automatic choke and 653 CC, 4-Cycle, OHV and 90 degree V-twin engine. Rated at 120 Volt and 58.3 Amp. Measures 33.6 inch length x 22.2 inch width x 16.7 inch height and weighs 290 pound. Noise level is 67 decibels. Self-diagnostic capability to simplify troubleshooting. Runs one 13500 BTU air conditioner with power to spare.