Front of the COB
DETECT

Carbon Monoxide Alarm, AA Battery Powered

COB

Find peace of mind with the latest CO safety technology. Powered by AA batteries, this advanced alarm alerts you to dangerous levels of CO to help give your family more time to get out safely.

  • Know When to Get to Safety from CO: Alarms at dangerous levels so you can get to fresh air fast.

  • Spend Less Time Changing Batteries: Powered by long-lasting Kidde AA batteries that only need to be changed once a year.1

  • On-the-Go Detection: Compact alarm easily slips into your suitcase for safer travels.2

Helpful Resources

Detection Type

Power Source

10-Year BatteryPlug-In

Discover the Advantages

Take a closer look at this advanced CO alarm and learn how it can help protect your family from hidden danger.

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Key Benefits

  • A mom and her son evacuate their home while carrying a pet carrier.

    ALARMS AT DANGEROUS LEVELS OF CO

    Know when it’s time to get your family to safety.

  • A person holds a CO alarm over clothes in a suitcase

    COMPACT ALARM FOR SAFER TRAVELS

    On-the-go detection easily slips into your suitcase.2

  • a symbol of 2 AA batteries hover over the alarm.

    LONG-LASTING KIDDE BATTERIES

    Powered by AA batteries that only need to be changed once a year.1

Get to Know More

Pack Peace of Mind

Take a CO alarm on your trip since not all hotels and rentals are required to have CO detection.*

Protect Every Paw

Pets can be more susceptible to CO poisoning. Help protect them with the latest CO technology.

Feel Safer While Renting

Not all apartments or rentals are required to have CO alarms, so you’ll want to invest in your own.

Replace CO Alarms Every 7-10 Years

Make sure your alarms are up-to-date and choose Kidde for advanced detection.

Where to Place Devices

This simple guide helps ensure your home is fully covered.

Helpful Resources

Find the information you need to understand your CO alarm and install it with confidence.

Download iconProduct Data Sheet
Download iconUser Guide
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Kidde's comprehensive suite of products, including smoke and carbon monoxide alarms, and fire extinguishers. Number 1 home safety fire brand badge at the top.

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 our full fire safety lineup.

* Based on total household installations as of December 2023.
1 Under normal operating conditions. Check User Guide for additional details on battery replacement.
2 Not approved for RV or boat use. Pack carefully to help avoid damage to the device. Remove batteries prior to travel and reinsert upon arrival. For use in conditioned spaces only. Test device before use to ensure proper operation.