First Alert - SMICO110 Sealed 10-Year-Battery 2-in-1 Smoke and CO Alarm - White
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About this product
The First Alert® SMICO110 10-Year Battery Smoke and Carbon Monoxide Alarm provides reliable 2-in-1 protection against both fire and carbon monoxide in an easy-to-install detector. Featuring superior safety features like a 1-touch test/silence button to confirm the combination alarm is functioning correctly and silence false alarms, the combination alarm features a built-in 10-year sealed battery that provides uninterrupted power for the life of the detector. No need to worry about the cost or hassle of battery replacements for a decade. An end-of-life warning lets you know when the alarm should be replaced.
Advanced Detection
First Alert's Precision Detection technology reduces nuisance alarms and provides early warning for home fire emergencies
Long-Lasting Battery
10-year sealed battery eliminates replacements and low battery chirps for the life of the alarm
Dual Protection
Combines smoke and carbon monoxide detection in one easy-to-install alarm
End-of-Life Alert
Notifies you when it's time to replace the detector for continuous safety
Easy Testing
Test/silence button allows quick and efficient checks to ensure proper operation
- Detector TypeCarbon monoxide, SmokeSensor TypeElectrochemical, IonizationPower SourceBattery-poweredNumber of Devices Included1
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The First Alert® SMICO110 10-Year Battery Smoke and Carbon Monoxide Alarm provides reliable 2-in-1 protection against both fire and carbon monoxide in an easy-to-install detector. Featuring superior safety features like a 1-touch test/silence button to confirm the combination alarm is functioning correctly and silence false alarms, the combination alarm features a built-in 10-year sealed battery that provides uninterrupted power for the life of the detector. No need to worry about the cost or hassle of battery replacements for a decade. An end-of-life warning lets you know when the alarm should be replaced.

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!
| Pros for First Alert - SMICO110 Sealed 10-Year-Battery 2-in-1 Smoke and CO Alarm - White | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | There were no pros for this product— | Installation Ease, Overall Performance, Connectivity, Compatibility, Design |
| Cons for First Alert - SMICO110 Sealed 10-Year-Battery 2-in-1 Smoke and CO Alarm - White | |||
| There were no cons for this product— | There were no cons for this product— | There were no cons for this product— | Features, Alarm Accuracy, Motion Sensor, Night Light, Sensitivity |


















































