2. Quad-band GSM communication, works with SIM card

3. Calender, five personal emergency phone numbers

4. One central monitoring station phone number

5. Alarm notification via phone call or SMS

6. Built-in speaker and microphone

7. Remote two-way intercom

8. Extra SMS phone number for system''''s status

9. Alarm memo, entry delay, exit delay

10. Hybrid alarm, 30 wireless zones, 4 hardwired zones

11. Advanced zone attribute, user-friendly zone names

12. Temperature display and relay signal output

13. Support wireless LCD/LED keypad and wireless siren

14. Support user code and installer code

15. 100 alarm log

16. SMS alert, when system: Arm/Disarmed, sensor''''s low battery, AC power failure, phone line disconnect

17. Reset factory design

18. Built-in siren

19. Alarm communication via ADEMCO Contact ID protocol

20. Backup rechargeable battery, last more than 24 hours

21. Work with IP camera