Front of the COBDL
DETECT

Carbon Monoxide Alarm, AA Battery Powered

COBDL

Find peace of mind with the latest CO safety technology. Powered by AA batteries, this advanced alarm alerts you to dangerous CO levels and sends low-level CO alerts to help protect vulnerable family members.1

  • Take Action Sooner: Stay a step ahead of CO with low-level alerts.1

  • Stay Informed, Day or Night: Easy-to-read backlit display lights up with the push of a button.

  • Rest Easier with No Low Battery Chirps: At night, you won’t be disturbed by alerts that aren’t critical.

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

    LOW-LEVEL CO ALERTS

    Help protect your family by taking action sooner.2

  • A CO alarm with the display lit and circles highlighting the screen

    EASY-TO-READ BACKLIT DISPLAY

    Check status with the push of a button, even in the dark.

  • A mom tucks her son in for bed.

    NO LOW BATTERY CHIRPS AT NIGHT

    You won’t be disturbed by alerts that aren’t critical.

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.*

Help Keep Loved Ones Safe

Even low CO levels can be harmful to kids, seniors and pets. Low-level alerts help you act sooner.*

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
Install Video Thumbnail ImagePlay button
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.

1Children, elderly adults and pets are more vulnerable to low levels of carbon monoxide and may be affected faster.

2Under normal operating conditions. Check User Guide for additional details on battery replacement.