First Alert 1039730 Carbon Monoxide Alarm, 85 dB, Alarm: Audible Beep, Electrochemical Sensor, White White

The First Alert CO600 plug-in carbon monoxide alarm utilizes an electrochemical carbon monoxide sensor that lasts for up to five years to detect carbon monoxide. This carbon monoxide detector plugs into any wall outlet. When carbon monoxide levels become elevated, a loud 85 dB alarm alerts you to the threat.