First Alert GC01 Plug-In Electrochemical Combo Explosive Gas and Carbon Monoxide Alarm

First Alert GC01 Plug-In Electrochemical Combo Explosive Gas and Carbon Monoxide Alarm with Digital Display. Features a backlit digital display and detects propane, CO, and methane gas. Plugs into any standard AC outlet with no additional mounting hardware needed. Accurately senses methane and propane, this alarm also features an advanced electrochemical CO sensor to identify carbon monoxide leaks from sources like faulty appliances, blocked chimneys, or vehicles. A loud 85-decibel alarm swiftly alerts you to potential threats. Equipped with a backlit digital display, it takes the hassle out of monitoring CO and gas levels in your home. The display gives you a clear readout of current and peak levels, allowing you to discern patterns that indicate potential leaks from an appliance, a generator, or other source. Requires no wiring or professional help. Its compact design plugs directly into any standard outlet, while the included power cord offers flexible placement options. For added peace of mind, a 9-volt battery backup ensures continued protection during power outages. The alarm's convenient battery compartment allows for easy replacement without removal. This alarm can be paired with most standard household remote controls (not included). A simple one-touch button lets you easily test the alarm or silence unwanted alerts. And thanks to the end-of-life timer, you can know exactly when it is time to replace this carbon monoxide and natural gas detector.