SmartConfigTM Computer and cellular apps are backward appropriate with the earlier panel firmware Model U1.05. 【Loud Alarm 】Small children and seniors at your home in emergency, press the emergency alarm button in the remote controller, that can bring about all alarms and send out unexpected emergency phone calls and messages https://www.firesense.co.uk/type/addressable-fire-system/addressable-fire-alarm-control-panels/