FIRST ALERT Carbon Monoxide Detector, No Outlet Required, Battery Operated, 2-Pack, CO400
- Keep your family safe with this 2-pack of easy to use, battery operated carbon monoxide alarms.
- Battery powered alarms provide 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.
- A loud 85-decibel alarm sounds when CO levels reach dangerous levels.
- To ensure complete protection make sure to place one on each level of your home and in each bedroom.
- Equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety.