Maximum AC output 6,250-Watt Peak Power, 5,500-Watt Running Power with Four 120-Volt 20 Amp AC and One 120/240-Volt AC outlets. Output Current 21 Amp, Max. Circuit 42 Amp. Dependable non-fuse circuit breaker system. Auto Voltage Regular (AVR). Heavy Duty Fuel Efficient 4-Stroke HX337 OHV 11HP 337cc Hyundai Engine with Manual Recoil Start, Unleaded Gasoline. Color-coded easy start sticker. Easy to use Control Panel. Low Oil Indicator for additional protection. Running Time is 9 Hours, large muffler for minimal Noise Level of 84dB. The Frame is made of 32 mm Commercial Grade Steel. Lightweight and compact for easy use, single person transport and storage. Rugged never-flat wheel kit and tow handle. 2-year limited warranty.