Produce up to 2500 surge watts and 2000 running watts on gasoline or 2250 surge watts and 1800 running watts on propane. The WEN Watchdog CO Shutdown Sensor helps protect both you and your family by automatically turning off the generator if dangerous levels of carbon monoxide are detected. Our 80cc 4-stroke OHV engine operates at an extremely quiet 52 decibels at no load. The Auto Fuel Selection Technology automatically switches between propane and gasoline for longer run times with limited hassle. Our generator is also equipped with fuel shutoff. With power output designed to mirror a pure sine wave, this generator limits total harmonic distortion to under 0.3% at no load and under 1.2% at full load. The 1.2 Gal. tank provides up to 6-hours of half-load run time. The fully-packed panel comes equipped with two 3-prong 120-Volt 15 Amp NEMA 5-20R receptacles and two 5-Volt USB ports. Maximize fuel economy by engaging the eco-mode switch. This allows the generator's engine to automatically adjust its fuel consumption as items are plugged into and unplugged from the panel, preventing the unnecessary usage of gasoline. Need more energy. Easily link up 2 WEN inverter generators using a WEN Parallel Connection Kit (sold separately) in order to share wattage amongst multiple units. Low-oil and low-fuel automatic shutdown combine with the built-in overload protection and indicator lights to safeguard your generator and your electronics from damage.