The RYOBI 7000 Watt Electronic Fuel Injection Generator With CO Sensing Technology is UL certified to ANSI/UL2201 that includes performance requirements to mitigate the dangers of carbon monoxide exposure when using the generator! Power your jobsite or emergency backup system more efficiently with the RYOBI 7000W EFI Generator. Equipped with an automotive grade Electronic Fuel Injection system, which provides up to 25% fuel savings, simplifies off-season storage and provides optimal performance in a variety of altitudes and temperatures. The 420cc OHV engine with 7,000 Running Watts and 8,750 Starting Watts can power whatever you need, whenever you need it and then be easily stored with the quick release handle. Also featured with Electric Start and an automatic voltage regulator for easy starting and consistent power. Backed by a 3-Year Limited Manufacturer's Warranty. See what Consumer Reports says about the RYOBI 7000 Watt Electronic Fuel Injection Generator.