Combination Smoke & Carbon Monoxide Alarms

First Alert combination smoke and carbon monoxide alarms offer 2-in-1 protection from both types of danger.

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Smoke and Carbon Monoxide Detectors

Help protect your home and family with combination smoke and carbon monoxide (CO) detectors. First Alert offers a variety of combination smoke and carbon monoxide detectors that provide 2-in-1 protection against both smoke and CO.

10-Year Sealed Battery Combination Alarms

Our 10-year sealed battery alarms eliminate the need for battery replacements and late-night low battery chirps for the life of the alarm. We also offer a 10-year sealed battery alarm with voice alerts. In the event of an emergency, the smoke and CO detector will let you know the type and location of danger in your home to help you escape safely.

Hardwired Combination Alarms

First Alert offers several hardwired combination smoke and CO alarms. Most hardwire alarms come with hardwire adapter plugs making installation easy and eliminates the need to rewire. For protection during power outages, we offer a back-up battery feature for continuous smoke and CO detection.

Battery-Operated Combination Alarms

Battery-operated combination smoke and carbon monoxide detectors are easy and convenient to install. Some battery-operated alarms also feature voice and location technology, while other battery-operated combination alarms can be interconnected so all of the alarms will sound as one in the event of a fire or CO emergency. Help ensure your home and family is protected with smoke detectors and CO alarms.