Front of the COPDLG
DETECT

Explosive Gas & Carbon Monoxide Alarm, Plug-In with AA Backup Battery

COPDLG

Find peace of mind with the latest explosive gas and CO safety technology. This advanced alarm alerts you to dangerous levels of natural gas, propane and CO and sends low-level CO alerts to help protect vulnerable family members.1 Plus, AA backup batteries ensure your alarm keeps working when the power goes out.

  • 3X Detection: Alarms at dangerous levels of natural gas, propane and CO to help protect your family with one device.

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

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

Helpful Resources

Detection Type

Power Source

10-Year BatteryAA Battery

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

  • 3X the detection in one device.

    ALARMS AT DANGEROUS LEVELS OF EXPLOSIVE GASES

    Know when to get to safety with 3X detection in one device.

  • A woman opens her window.

    LOW-LEVEL CO ALERTS

    Help protect your family by taking action sooner.1

  • 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.

Get to Know More

Ensure Optimal Gas Detection

Natural gas rises and propane sinks — place an alarm near where each gas collects.*

Where is CO in the Air?

CO is an odorless gas that disperses evenly, making it very difficult to detect without a CO alarm.

Where Does CO Come From?

CO is produced by fuel-burning appliances, like gas stoves, water heaters, furnaces and fireplaces.

Tenant Safety Made Simple

This plug-in alarm makes it easy to ensure your property is equipped with proper 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.

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