... gsm alarm system, PTSN GSM alarm system, auto-dial gsm alarm, burglar gsm alarm, gsm alarm system. home gsm alarm, telephone gsm alarm1). Group SMS, phoneline and GSM optional3). Programme the phone numbers directly on the panel4). LCD ... zone 3 with delay timer, zone 4 without delay, or zone 2 is 24 hours zone, while zone 3 is normal zone ... voltage on the LCD and should beep13). Every zone can be ...