How to judge going out by isolating door magnetism

The door magnet is installed outside the entrance door.

The door magnetic detector can know that people are going out. Because the door magnet is not video surveillance, it is installed outside the entrance door, only sensing that the door is opened, the background of the command center will immediately send a short message to the designated staff's mobile phone, and at the same time, the command center will display the data information of the isolated person and the door opening position data in real time.

Whether someone enters or exits the equipment, if the family goes out, it will be displayed in the management background for timely supervision.