APP functions are as follows:
1. Quick account switching: Use the left and right keys to quickly switch between upper and lower accounts.
2. Remote setting: The security system can be set to warn you at any time and place.
3. Remote release: your security system can be released at any time and place.
4. Loop monitoring: You can monitor the loop status of your security system at any time and place.
5. Declaration: The contents of the declaration can be sent to the security company at any time and place to achieve complete and instant interaction.
6. Announcement: The announcement content of the security company can be received at any time and place to achieve complete and instant interaction.
7. Historical records: You can receive various signals of the security system and search for historical signals at any time and place.
8. Surveillance: You can monitor the real-time image of the "web camera" installed on the subject at any time and place.
9. Smart switch: Remote smart switch can be operated at any time and place; 1~8 switches can be defined arbitrarily.

Historical data can record the following signals:
A. Setting: including remote setting (APP setting alert) and setting (card setting alert).
B. Disarm: including remote disarm (APP disarm) and disarm (card disarm).
C. Burglary: The anti-theft circuit is invaded and sends a burglary signal.
D. Emergency: The emergency circuit is abnormal. Including emergency one (press emergency button), emergency two (card reader self-protection), emergency three, emergency four.
E. Fire: The fire circuit is abnormal.
F. Power failure: Power failure of the subject.
G. Low battery voltage: The subject is powered by a battery after a power failure, and the battery voltage is nearly low.
H. Resumption of power: the mains supply will be restored after the subject is out of power.
I. Image: The image archive uploaded to the mobile phone after being triggered (can be played back and watched at any time).