Carbon monoxide is deadly, yet you can't see or smell it. With this First Alert CO400 Battery Powered Carbon Monoxide Alarm, you'll stay safe even when the electrical power is off. The electrochemical sensor inside this device accurately detects when carbon monoxide increases to dangerous levels. It also has a mute button for those times when carbon monoxide is released from a cooking mishap. It easily mounts on walls so that you can keep multiple areas of your residence safe.
This product has no quality problems. Because this is the last stock, it is now on sale at a special price.
