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The 770MBX is a mains powered ionisation smoke alarm with 9V alkaline battery back up that will provide power to the unit in the event of a mains failure .
Up to 12 compatible smoke and heat alarms can be linked for simultaneous warning.
Features: 230V - mains powered 9V alkaline battery included
Test & silence button
Low battery warning
Multi-alarm interlink
LED operating indicators
Alarm source indicator
Push-fit connector
Mounting base plate
5 year guarantee
Certified to BS EN 14604: 2005
This item is discontinued