Designed to provide reliable jobsite power for the professional contractor, this compact generator also provides ideal standby power for the demanding home consumer. It features a super heavy-duty tubular frame, commercial-grade engine, long-run fuel tank, GFCI duplex outlet and 120/240 V outlet with selector switch. This unit offers total harmonic distortion (THD) less than or equal to 6% for use with sensitive electronics. A Thermo-magnetic circuit breaker protects your equipment and appliances.