Elegant and advanced capacitive touch keypad for easy operation; 2. GSM quad-band and PSTN dual network alarm system; 3. 128x64 lattice LCD screen with clock display; display language can be changed per customer's request; 4. 2 wired and 10 wireless defense zones; each wireless zone supports maximum 10 sensors; 5. Support maximum 8 remote controls; 6. One relay switch (250V AC/ 10A); 7. Can preset 10 alarm phone numbers; 8. 3 SMS number: each number can choose alarm SMS, sensor low power alert, main panel external power cut, arm/ disarm alert, telephone line cut, main panel tamper alert; 9. 10-second voice message recording; 10. Compatible with Contact ID: upload alarm information to the alarm monitoring center. 11. Timely arm and disarm; 12. Can be used as a wireless telephone by using keypad to make calls; 13. One-key-control: away arm, home arm, arm by remote controller or telephone; 14. SOS, fire, gas, door, hall, window, balcony, and boundary places.