FIRST ALERT CO605 Carbon Monoxide Detector, 85 dB, Alarm: Low Battery, Electrochemical Sensor, White

The FIRST ALERT CO605 carbon monoxide plug-in alarm features an electrochemical co sensor to alert you to dangerous carbon monoxide. this personal carbon monoxide detector plugs into any standard electrical socket to monitor co levels in your home, office or other space. the simple, user-friendly design features battery backup to allow for continuous monitoring, even in the event of a power outage.