1:99 alarm zones,93 wireless zones and 6 wired zones
2:Dual network working mode, be adapt to GSM cell network and PSTN landline telephone system at the same time
3:GSM frequency:  four band 900/1800/1900/850MHz
4:LCD time and date display, automatical arming and disarming by setting time and date
5:Two way talking ability via GSM network in alarm and remote distance operatrion mode
6:Six autodial alarm phone numbers plus extra six SMS alarm phone numbers
7:Ten alarm messages can be recorded by user himself
8:Two relay output terminals can be operated by user to control alarm related devices
9:Learning code accessories can be easily added or deleted by user
10:Four bit password for keypad protection
11:backup built-in battery for electricity power down use
12:size: 120mm(W)*180mm(L)*42mm(H)