... Product Information: The RC1800 is a very powerful GSM alarm, it supports the international protocol--ADEMCO Contact ID ... alarm (SOS), medical alarm, tamper alarm, Pin code wrong 3 times alarm, Main fails alarm, Arm, Disarm, Periodical ... armed zone. e.g. we can set zone 3 with delay timer, zone 4 without delay, or ... zone 2 is 24 hours zone, while zone 3 is normal zone, etc. Parameter:Power: AC 220V ...