Long life OHV engine with low oil shutdown protection and covered, circuit breaker, protected Outlets. Oversized Steel fuel tank with built-in fuel gauge for up to 15 hours of run time at 50% load. Locking, fold-down handle for easy mobility and storage., all steel construction, heavy duty bolt on never-flat wheel kit. 4 in 1 digital display for voltage, frequency, running hours and total hours on unit.. Specs: rated watts running 5500, rated watts starting 6875, manual starting system, low oil level shutdown, receptacles: (4) 20 amp 120v, (1) 30 amp 120v. Start/ stop, choke and fuel shutoff controls mounted on easy to use control panel with LED light, weighs 176.2 lbs., dimensions 23.4in H x 33.9in L x 21.7in W, OHV engine,300cc engine, 3600 rpm, voltage is 120/240v, frequency is 60 Hz, 7.9 gal. gas tank and 15 hour run time at 50 percent load. 3 year limited warranty applies when registered within 30 days. 2 year standard limited warranty.