1. 1-99 LED defense zone, with digital number to show the defense zone
2. With Ademco Contact ID protocol, to work with the monitoring station.
3. Auto-dial six telephone numbers when alarming.
4. Can set the home arm and away arm functions.
5. To input the password before operation.
6. Record 10 seconds voice message.
7. With built-in backup battery, to last 24 hours for power failure.