The First Alert® SMCO500V Interconnect Battery-Operated Combination Smoke and Carbon Monoxide (CO) Alarm with Voice and Location Alerts helps provide an early warning and guide your escape to safety. This combo detector is also equipped with our Precision Detection advanced-sensing technology that meets the latest industry standards. It helps reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency. 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 voice and location alerts tell you the location of danger to help you escape safely. And, if you install more than 1 of these units, they will wirelessly interconnect to form a safety network, so if 1 alarm is triggered, they all will - providing a house-wide early warning system.
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The First Alert® SMCO500V Interconnect Battery-Operated Combination Smoke and Carbon Monoxide (CO) Alarm with Voice and Location Alerts helps provide an early warning and guide your escape to safety. This combo detector is also equipped with our Precision Detection advanced-sensing technology that meets the latest industry standards. It helps reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency. 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 voice and location alerts tell you the location of danger to help you escape safely. And, if you install more than 1 of these units, they will wirelessly interconnect to form a safety network, so if 1 alarm is triggered, they all will - providing a house-wide early warning system.

Detect intruders with SimpliSafe’s high-performance motion sensor. Engineered to tell the difference between people and pets, so if the alarm goes off, you can be confident it’s real. With a 90º field of view and 35 ft. range, it protects an entire room from a single location. Plus, you get fast alerts sent right to your phone when motion is detected so you always know what’s happening at home. And if you have a 24/7 professional monitoring plan—our agents are always ready to send help to your home when an alarm is triggered.

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 - SMCO500V Interconnect Battery-Operated 2-in-1 Smoke and CO Alarm, Voice and Location Alerts - White | |||
|---|---|---|---|
| There were no pros for this product— | Ease of use, Performance, Sensitivity, Setup | There were no pros for this product— | Installation Ease, Connectivity, Overall Performance, Compatibility, Design |
| Cons for First Alert - SMCO500V Interconnect Battery-Operated 2-in-1 Smoke and CO Alarm, Voice and Location Alerts - 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, Lighting, Sensitivity |