First Alert - SM210M Sealed 10-Year-Battery Micro Smoke Alarm - White

Stay alert to dangerous gases with this First Alert carbon monoxide alarm. Sensors in this alarm detect CO in the air, setting off a loud 85dB siren to wake up your home's occupants and alert them to danger. Silence false alarms, and test this First Alert carbon monoxide alarm with just a touch of a button.

The First Alert® SM210 10-Year Sealed Battery Smoke Alarm with Slim Profile Design is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards to reduce cooking nuisance alarms and provide early warning in the event of a home fire emergency. This slim profile smoke alarm is easy to install, and the 10-year battery means no battery replacements are required.

The First Alert® SMCO210 Sealed 10-Year-Battery Combo Smoke and CO Alarm with Slim Profile Design uses our Precision Detection advanced sensing technology to meet the latest industry standards. This 2-in-1 alarm provides convenient protection against both fire and carbon monoxide (CO). The slim-profile combination alarm is half the depth of a standard alarm. It is sleek and compact to help the detector blend seamlessly with most home décor. And the 10-year lithium battery means no battery replacements for a decade – the end-of-life warning lets you know when it is time to replace the alarm. No more low-battery chirps and multiple battery replacements!