SmartConfigTM Computer system and mobile programs are backward compatible Together with the past panel firmware version U1.05. 【Loud Alarm 】Children and seniors in your own home in crisis, press the crisis alarm button in the remote controller, that may set off all alarms and deliver crisis calls and messages to https://www.firesense.co.uk/type/addressable-fire-system/addressable-fire-alarm-control-panels/