First Alert® Smoke/Carbon Monoxide Detector

The First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and CO Detector with Slim Profile Design uses First Alert's Precision Detection advanced sensing technology and meets new industry standards. This 2-in-1 alarm provides convenient protection against fire and carbon monoxide (CO). The alarm is also equipped with a 10-year sealed battery to eliminate the need for battery replacements and low battery chirps. Reliable 2-in-1 Protection Easily install the SMCO210 10-Year Battery Combo Smoke and CO Alarm for reliable 2-in-1 protection against both threats in a single alarm.