Features: 1.With dual network of GSM + telephone cable, the System is more secure and reliable. 2.With the ... Away Arming, Home Arming, Remote Control Arming or Off-site Telephone Arming. 16.Alarm Location Programming: Help, Fire, Gas Leak, Door ... , Away Delayed Arming, Home (Stay) Arming, Timing Arming, Off-site Telephone Remote Arming. 20.Line Seizure: If an alarm happens, the ...