Be alerted to dangerous carbon monoxide leaks with the First Alert CO3-B01D Battery-Operated Carbon Monoxide Alarm. The easy‑to‑read digital screen shows both current power levels and peak CO levels when detected for quick, at‑a‑glance updates. Powered by two replaceable AA batteries, the alarm is installed easily and provides reliable CO detection for your home.
Digital display shows peak carbon monoxide levels when detected
Easy access front battery drawer for convenient battery replacements
Easy installation with flexible wall placement
End-of-life warning lets you know when it's time to replace the alarm
A loud 85-decibel alarm sounds when CO levels reach dangerous levels
CO alarms should be placed on every level and in every bedroom of the home