First Alert - SM210L Sealed 10-Year-Battery Smoke Alarm, Safety Path Light, Slim Profile - White
Reviews coming soon
About this product
Illuminate your path to safety with the First Alert® SM210L Sealed 10-Year-Battery Smoke Alarm with Safety Path Light. The SM210L smoke alarm also features our Precision Detection advanced sensing technology. It complies with the latest industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency. The smoke detector also has a slim profile, measuring only half the depth of a standard alarm. Its sleek, modern design seamlessly blends into most décor and is easy to install throughout your home. 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.
Early Warning
Provides early warning to help you and your loved ones safely escape in case of fire emergencies
10-Year Battery
Sealed lithium battery lasts 10 years with no replacements or low battery chirps needed
Safety Path Light
Illuminates your path to safety during emergencies for easier evacuation
Precision Detection
Advanced sensing technology reduces nuisance alarms and detects fast-burning synthetic smoke
Slim Profile
Half the depth of standard alarms for more installation options and a sleek, modern look
- Detector TypeSmokeSensor TypePhotoelectricPower SourceBattery-poweredNumber of Devices Included1
Reviews
This product doesn't have any reviews yet.
Compare similar products

Illuminate your path to safety with the First Alert® SM210L Sealed 10-Year-Battery Smoke Alarm with Safety Path Light. The SM210L smoke alarm also features our Precision Detection advanced sensing technology. It complies with the latest industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency. The smoke detector also has a slim profile, measuring only half the depth of a standard alarm. Its sleek, modern design seamlessly blends into most décor and is easy to install throughout your home. 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.

Get alerted the minute a dangerous hazard threatens your home with the 2-in-1 smoke and carbon monoxide detector. Engineered to tell the difference between dangerous smoke and burning food, so you’ll always know when there’s a real emergency. It’s also backed by SimpliSafe’s award-winning security system and 24/7 professional monitoring—any time there’s trouble, emergency assistance will be quickly sent to your front door.* Setup is easy too with the included hardware. Plus, thoughtful notifications will give you daily updates on your detectors’ status, so you know it’s working properly. *Emergency dispatch is available with select monitoring plans.

Detects the sound of your existing smoke and CO alarms and alerts you instantly. Ring Sensors are built to break free from traditional systems with no need for hubs or the limited reach of WiFi. On Amazon Sidewalk, these devices stay connected for reliable protection day and night.1 Add more devices anytime to expand your coverage as your home security needs grow.
| Pros for First Alert - SM210L Sealed 10-Year-Battery Smoke Alarm, Safety Path Light, Slim Profile - White | |||
|---|---|---|---|
| There were no pros for this product— | Ease of use | Installation Ease, Connectivity, Overall Performance, Compatibility, Battery Life | There were no pros for this product— |
| Cons for First Alert - SM210L Sealed 10-Year-Battery Smoke Alarm, Safety Path Light, Slim Profile - White | |||
| There were no cons for this product— | There were no cons for this product— | Features, Alarm Accuracy, Night Light, App Usability, Size | There were no cons for this product— |
Specs
Be the first to ask a question.
We’ll try to get your question answered within 24 hours by a Best Buy customer or brand representative.


















































