White Kidde carbon monoxide alarm displays "Clr" on a blue LCD and a green indicator, with Test/Hush and Peak Level buttons visible in a close-up on a white background.
DETECT

Carbon Monoxide Alarm, AA Battery Powered

COBD

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.

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

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

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.

Two white Kidde carbon monoxide alarms display blue digital readouts, arranged side-by-side against a soft gray background while a red Kidde logo and brand name sit to the left.Play button

Key Benefits

  • A mom and child evacuate their home with a pet carrier.

    ALARMS AT DANGEROUS LEVELS OF CO

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

  • A CO alarm with a screen lit, showing clear. Circles highlight the display.

    EASY-TO-READ BACKLIT DISPLAY

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

  • A person holds a CO detector over clothes in a suitcase.

    COMPACT ALARM FOR SAFER TRAVELS

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

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
Install Video Thumbnail ImagePlay button

Frequently Asked Questions

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.

*Based on total household installations as of December 2023.

1Under normal operating conditions. Check User Guide for additional details on battery replacement.

2Not 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.