... wireless sensors 4.LCD SMS alarm wireless GSM/Telephone auto switch Home Wireless Alarm System(LS-GSM-007) Main Features:1 ... , it can set to be: watchdog zone, exit/entry delay, 24 hours zone, sounder/silent when alarming, armed/part armed zone ... delay timer, zone 4 without delay, or zone 2 is 24 hours zone, while zone 3 is normal zone, etc Standard ...