Kidde COB

Find peace of mind with the latest CO detection from North America's #1 home fire safety brand.* The Kidde Carbon Monoxide Alarm model COB alarms at dangerous levels of CO to help give you more time to get out safely. Powered by 2 AA batteries, this portable alarm can be placed on walls or countertops or taken along when traveling.** Equipped with end- of-life notifications, it beeps to remind you it's time to replace it 10 years after it's powered. And it's comprehensively tested and designed to the latest UL standard for safety and reliability. Additional Features & Benefits End-of-Life Notifications - Eliminate the guesswork with replacement reminders after 10 years.