Single phase generator features an automatic choke and 217 CC, 4-Cycle, OHC and single cylinder engine. Rated at 120 Volt and 23.3 Amp. Measures 22 inch length x 16.3 inch width x 12.8 inch height and weighs 125 pound. Noise level is 70 decibels. Lightweight, compact, and easy to install. Runs one air conditioner with power to spare.