Carbon monoxide alarm: rectangular plastic device with a test/reset button (left) and a green "operate" LED lit, ventilation slots on the right, shown close-up against a white background.
This product has been Discontinued

Battery Operated Carbon Monoxide Alarm

KN-COB-B-LPM

Provides peace of mind against the silent killer.

  • Battery Operated (3 AA's included) - Provides protection during power outage.

  • Test/Reset -Tests CO alarm circuit operation and allows you to immediately silence the alarm.

Helpful Resources

Helpful Resources

Click on the video to learn more about how to install your Kidde Carbon Monoxide alarm.

A red fire extinguisher and three Kidde smoke/CO detectors (one boxed) stand arranged on a light wood tabletop against a pale wall, accompanied by a round "#1" safety-brand badge.

Why Kidde

As North America's #1 home fire safety brand,* Kidde has been working to help make your home the safest it can be for more than 100 years. Now, our latest smoke alarms and combination smoke + carbon monoxide (CO) alarms are bringing you the next level of fire and CO safety. Help protect what matters most in your life with features like cutting edge technology that send fast alerts to give your family more time to get out safely. And enhanced sensing technology that reduces false alarms often caused by cooking.

*Based on total household installations as of December 2023.