First Alert Plug-in Electrochemical Explosive Gas and Carbon Monoxide Detector

This 3-in-1 gas alarm warns against natural/methane, propane and carbon monoxide. The digital display makes for easy reading during an alarm or when, any button is pressed. The alarm plugs into any standard outlet with no additional mounting necessary and comes with a line cord, which offers multiple placement options. The alarm also comes with a battery backup in the case of a power outage and utilizes an electrochemical carbon monoxide sensor for increased accuracy. Meets UL standards.Versatile CO alarm senses high levels of propane, natural/methane gas and carbon monoxideCrisp backlit digital display allows you to view current and peak levelsCan be remotely muted using almost any household remote controlPlugs into any AC outlet for easy setup; backup battery powers unit in case of power outageLoud 85-decibel alarm can be heard easily