... Information: The RC1800 is a very powerful GSM alarm, it supports the international protocol--ADEMCO Contact ID ... Fire alarm, burglar alarm, Panic alarm (Stay arm zones alarm), Emergency alarm (SOS), medical alarm, tamper alarm, Pin code wrong 3 times alarm, Main fails alarm, ... +50 Relative humidity: ≤90%Reliability: National standard False alarm: 2 times per year Components/Featurese : One control ...