Allow up to 99 wireless defense zones and 4 wired zones.
Each can be defined as one of the 8 zone types including NORMAL, STAY, INTELLIGENT,EMERGENCY, CLOSED, HELP SENIOR, WELCOME and CHIME.        6 group voice alarm phone number for alert calling,  3 group phone number for help senior, 6 group for SMS messaging, numbers saved inside EEPROM without
lost upon power failure.
Input voltage: DC9V-12V
Standby currents: < 25mA
Alarm current:  <  450 mA
Wireless frequency: 315/433/868/915M
EV1527/300K
GSM Format: Support GSM850/900/1800/1900M
 Backup battery: NI-HI AAA*6 DC7.24V
Alarm loudness: 110dB