Model: ST-SZ
◆  99 wirless zone, 2 wired zone
◆  99 can add 99 pcs. sensors
◆  LED display, touch keypad easy to operate
◆ GSM communication
◆ GSM frewuency 900/1800/1900Mhz
◆ Real-time arm/disarm and timing arm/disarm function
   optional
◆ 10 second personal voice record
◆ English voice operation instruction
◆  Can control the system calling-in arm,disarm calling
    and so on
◆ Back up battery for continue working when power is
   off/cut
◆ SMS alert when AC power on/off
◆ 1 relay output
◆ Wireless learning coading, compatible with 2262 or
   1527 chip sensor