Mains Powered Inter-connectable Carbon Monoxide Alarm

A mains powered carbon monoxide alarm for use in buildings fitted with gas boilers or fireplaces. This life saving device alerts the user to the presence of deadly carbon monoxide gas. With a self-test function, easily perform tests at the push of the test/reset button. This detector can also inter-connect with up to 19 other alarms positioned around your property. The unit is powered by mains with a 9V battery backup in the event of a mains power failure.