Reliable Continuous Monitoring: Stay protected with a battery-powered alarm that continues to monitor CO levels, even during power outages.
Easy to Read Display: A backlit digital display clearly shows temperature and CO concentrations, making it simple to understand the current environment.
Long-lasting Protection: A built-in 10-year lithium battery ensures continuous protection for the entire life of your CO detector.
Loud 85-decibel Alarm: An immediate warning when CO levels reach dangerous levels, ensuring quick action to prevent harm.
End-of-Life Signal: A chirping alarm alerts you when it's time to replace the unit, keeping your family safe.
UL-Approved: Rigorously tested to meet UL standards, providing peace of mind.
Trusted Brand: First Alert has been the most trusted brand in home safety since 1958.
Long-term Warranty: A 10-year limited warranty ensures the product is free from defects in materials and workmanship.
Join thousands of satisfied customers who trust First Alert with their safety. Choose a digital CO alarm that you can rely on.