
The First Alert® SMICO100 Battery-Operated Combination Smoke and Carbon Monoxide Alarm provides protection against both threats in a single alarm. It is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards. This 2-in-1 smoke and carbon monoxide alarm provides reliable protection against both threats and is easy to install and maintain.
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The First Alert® SMICO100 Battery-Operated Combination Smoke and Carbon Monoxide Alarm provides protection against both threats in a single alarm. It is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards. This 2-in-1 smoke and carbon monoxide alarm provides reliable protection against both threats and is easy to install and maintain.

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® SMCO200V Battery-Operated 2-in-1 Smoke Alarm and Carbon Monoxide Alarm provides reliable protection against both threats. Its alarm features voice and location alerts to help you escape safely. Our Precision Detection advanced-sensing technology complies with the latest industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency. The voice and location alert feature tells you what the danger is and its location to help you escape safely. This combo smoke and CO detector also has a slim profile, measuring only half the depth of a standard alarm. The sleek, modern design seamlessly blends into most décor and is easy to install throughout your home.

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!