The First Alert CO600 Plug-in Carbon Monoxide Alarm utilizes the most accurate electrochemical carbon monoxide sensor technology that lasts for up to 5 years to detect carbon monoxide. This carbon monoxide detector plugs into any wall outlet. When carbon monoxide levels become elevated, a loud 85dB alarm alerts you to the threat.
Alerts to dangerous carbon monoxide levels
Single test/silence button for simple operation
7-year limited warranty