The First Alert® CO5-B10A Carbon Monoxide Alarm offers reliable, installation-free carbon monoxide (CO) detection for your home or while traveling. Designed for simple placement on a table, shelf or countertop, it includes a clear backlit digital display that shows both ambient room temperature and CO levels when detected. Its sealed 10-year lithium battery provides power for the life of the alarm, eliminating the need for battery changes or low-battery chirps.
- No installation needed – simply place on a tabletop of shelf
- Ideal for travel – bring for reliable detection when away from home
- Digital display shows the room temperature and peak carbon monoxide levels when detected
- 10-year sealed battery eliminates the need for battery replacements and low-battery chirps for the life of the alarm
- End-of-life warning lets you know when it’s time to replace the alarm
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