The First Alert Z-Wave FSMCO410BX is part of the Smoke & Carbon Monoxide Detectors test program at Consumer Reports. In our lab tests, Combination Smoke & Carbon Monoxide Detector models like the ...

This is my experience after trying out a portable carbon monoxide detector from First Alert, for a month.

Carbon monoxide can be deadly. Every year, over 400 people in the U.S. die unintentionally from CO poisoning, and more than 100,000 wind up in emergency rooms, according to the Centers for Disease ...