The alarm function varies between devices depending on the manufacturer and models:
- The door has been opened
- The door was left open
- The person has left or entered the room through the door
Door alarm (local alerts)
Door alarm unit placed within the same building alerts with a beep, ringtone or pilot light when the door has been opened.
Door alarm (external alerts)
Makes the alert through the safety phone or base station e.g. to the mobile phone or with a call, text message or application to the alarm center when the door has been opened. The alarm system can also be configured to use a bypass function to enable use of the door without alerts, e.g. for medical staff.
Smart door alarm (external alerts)
The most advanced version is the door alarm which recognizes when the person has actually left the room/house. The system will alert through the safety phone or base station e.g. to the mobile phone or with a phone call to the alarm center. A delay for the alarm can be set to allow the resident to leave for a certain time, e.g. retrieving mail. Continuous peeking out of the door is a known symptom of memory disorders – in these cases smart door alarm solution prevents the false alarms.