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Device Support: Carbon Monoxide Detector

Frequently asked questions

A professionally installed and monitored carbon monoxide (CO) detector detects abnormally high levels of deadly CO within range of the detector.

If CO is detected, a signal will be sent to our monitoring team.


A carbon monoxide detector is 4.9 in. x 1.9 in.

Carbon monoxide (CO) is an invisible, odorless, and deadly gas that can come from any combustible appliance.

How to replace the batteries

Watch a step-by-step video for replacing the batteries in your door/window sensors.

Before you start, make sure your system is disarmed and in Test Mode.

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