Enclosure: The FACP parts are generally housed within a sturdy enclosure to protect them from environmental elements and unauthorized access. 【Loud Alarm 】Small children and seniors at your home in unexpected emergency, push the unexpected emergency alarm button on the remote controller, that may result in all alarms and mail https://www.firesense.co.uk/type/addressable-fire-system/addressable-fire-alarm-control-panels/