We've tested and reviewed products since 1936. Read CR's review of the First Alert CO710 smoke & carbon monoxide detectors to find out if it's worth it.

$39 $44 at Amazon 'Gives me some peace of mind' Amazon shoppers have given the First Alert CO615A Carbon Monoxide Plug-In Alarm a 4.6-star average rating, and have said that it provides "extra peace ...

Buy First Alert Smoke Detector Alarm $158.98. 4. First Alert Smoke and Carbon Monoxide Detector. Most people only have one carbon monoxide detector for their entire house, but in general, it’s ...

The new First Alert OneLink Smart Smoke and Carbon Monoxide Alarm can be grabbed now off Amazon for $119.99 in battery-powered or hardwired versions. Andrew O'Hara Chief Videographer ...

The Onelink Smoke + Carbon Monoxide Alarm’s price tag is on par with other smart smoke/CO detectors, such as the Nest Protect, but its real-world performance is closer to interconnected “dumb ...

The First Alert CO710 carbon monoxide detector includes a long life sealed lithium battery to power the alarm for a full 10 years without replacing the battery. Subscribe. Products.

We've tested and reviewed products since 1936. Read CR's review of the First Alert SMCO210 (Battery) smoke & carbon monoxide detectors to find out if it's worth it.

Our top recommendation, the First Alert CO615 Plug-In Carbon Monoxide Detector, uses electrochemical sensors to monitor for CO in your home, and it has a digital display that shows real-time CO ...

The hardwired First Alert OneLink smoke and carbon monoxide detector is available from Amazon for $129.98. The battery-powered option sells for $115.87 . Bosch Smart Home Smoke Detector II with ...

First Alert today announced that its Onelink Safe & Sound, an all-in-one smoke detector, carbon monoxide detector, and speaker system, now supports AirPlay 2 for multi-room audio playback ...

First Alert’s new Onelink smoke and carbon monoxide detector is basically a Nest Protect that’s specifically designed to work with Apple’s HomeKit system, alerting you to emergencies at home ...