Single phase generator features an automatic choke and 304 CC, 4-Cycle, OHV and single horizontal cylinder engine. Rated at 120 Volt and 33.3 Amp. Measures 30 inch length x 19.7 inch width x 14.4 inch height and weighs 178 pound. Noise level is 68 decibels. Lightweight, compact and easy to install. Runs one 13500 BTU air conditioner with power to spare.