The First Alert® SMI100 Battery-Operated Smoke Alarm is equipped with our Precision Detection advanced-sensing technology and meets the latest industry standards. The result is fewer cooking nuisance alarms and better smoke detection from synthetic materials which burn hotter and faster. That early detection allows you and your loved ones more time to escape safely. The battery-operated basic smoke alarm is easy to install, features a single test/silence button for simple operation, and the front access battery compartment makes for easy battery replacements.
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The First Alert® SMI100 Battery-Operated Smoke Alarm is equipped with our Precision Detection advanced-sensing technology and meets the latest industry standards. The result is fewer cooking nuisance alarms and better smoke detection from synthetic materials which burn hotter and faster. That early detection allows you and your loved ones more time to escape safely. The battery-operated basic smoke alarm is easy to install, features a single test/silence button for simple operation, and the front access battery compartment makes for easy battery replacements.

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® SM210V 10-Year Sealed Battery Smoke Alarm with Voice and Location Alerts helps guide your escape to safety. It utilizes First Alert's Precision Detection advanced sensing technology that complies with the latest industry standards to reduce nuisance alarms and detect smoke from synthetic materials. Early warning is critical because today’s materials burn hotter and faster and may result in less time for a safe evacuation. It also features a sleek, contemporary design that is half the depth of a standard alarm - helping the device seamlessly blend into the wall or ceiling. The SM210V detector provides reliable and convenient protection with its built-in 10-year sealed battery, eliminating low battery chirps and the cost of battery replacements for a decade. The end-of-life warning will alert you when it is time to replace the detector.