Cash SAVING HOME Advancement: With Konnected, you get monetary savings by reusing Everything you currently personal; our alarm panels don't need a battery (use involved electricity adapter), month to month subscription or a standard keypad The SBBRKSM easichange® package replaces the discontinued BRK 660MBX optical and 670MBX ionisation smoke alarms https://www.firesense.co.uk/type/addressable-fire-system/addressable-fire-alarm-control-panels/