First Alert Plug in Carbon Monoxide Alarm

Price: $71.71
(as of Sep 09, 2026 23:45:05 UTC – Details)


The First Alert CO606 Plug-In Carbon Monoxide Alarm with Battery Backup utilizes an electrochemical carbon monoxide sensor to accurately and effectively warn you of elevated CO levels. The plug-in design and included battery backup mean your space can be continuously monitored for dangerous carbon monoxide gas, even during power outages. Simply plug the alarm into a 120-volt outlet, and the personal carbon monoxide detector is ready to go. When CO levels rise above a safe threshold, a loud 85-decibel alarm alerts you to the threat. Designed for simple use, the CO detector has just 1 button that silences or tests the unit, as well as an end-of-life timer that lets you know when it is time to replace the device.Simple and Easy to Use: The carbon monoxide monitor is easy to set up: simply plug it into a standard electrical outlet to monitor your space for carbon monoxide. There are no complicated displays or settings to navigate; a single button silences the alarm and tests the CO detector.
Keep your family safe from carbon monoxide in multiple rooms with this convenient plug in carbon monoxide alarm 3 pack; The alarms work with any standard outlet and also have a battery backup for continuous monitoring of CO levels, even if there’s a power failure
Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
Simple to use, with a single test/silence button; A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
To ensure complete protection make sure to place 1 on each level of your home and in each bedroom
7 year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety
All First Alert CO alarms are rigorously tested to meet UL standards
Customers find the carbon monoxide detector to be a quality product that works well and is easy to install and use, simply plugging it into any electrical outlet. They consider it a life-saver and worth the price, with one customer noting it’s better than plugging in a $20 bill in the wall. The battery life and durability receive mixed reviews – while some report it lasts 7 years, others mention the batteries don’t last and units die after one year.