Outstanding features: 1) Compact design, Orange backlight, big LCD Screen Display. 2) self-check function(optional); 3) Illegally arm/disarm function(optional); 4) Anti-tampering alarm; 5) Can dial via neighbor's phone when phone line is cut off; 6) Low power indication function ; 7) 40 zones LCD display with 32 wireless zones and 8 wired zones; 8) program 3 groups of time to timely arm or disarm the alarm system; 9) Voice Instruction; 10) Arm/disarm each zone separately 12) compatible with the international Digital Communication Standard- Ademco protocol such as CONTACT ID etc.(optional). 1. Standard frequency of double audio frequency: low frequency group 697,770,852,941Hz; high frequency group1209, 1336,1477,1633Hz; frequency deflection:
