The First Alert CO615 Carbon Monoxide Detector is a reliable and affordable option that’s easy to install. It features a convenient plug-in design for consistent power, along with two AA ...

See at Amazon. First Alert CO400. If all you need is a carbon monoxide detector that can reliably watch your back without leaving a hole in your pocket, then the First Alert CO400 is perfect for ...

First Alert CO605 Plug-In Carbon Monoxide Detector This detector has a battery backup, meaning it will continue to monitor carbon monoxide levels in the air even in the event of a power failure.

Much like a smoke alarm, a carbon monoxide detector operates by alerting us of the presence of lethal gas, which is crucial ...

Following Google’s decision to discontinue its Nest Protect smart smoke alarm, the company has announced it’s partnering with First Alert on the First Alert Smart Smoke & Carbon Monoxide (CO ...

First Alert 3120B. Price: $33.98 - $40.45Shop. Flaming fires. Smoldering fires-Interconnectable: Yes. See all Smoke Detectors Ratings. Overall Score. 96. The dual-sensor First Alert 3120B receives ...

"Spend the money on a carbon monoxide detector," said Hannan. "They aren't hugely expensive. You can find them at Walmart.

If all you need is a carbon monoxide detector that can reliably watch your back without leaving a hole in your pocket, then the First Alert CO400 is perfect for the task.