... ) auto arm/disarm 4) watchdog Wired/Wireless Alarm/Security System home alarm system fire alarm The sn2200 is a very powerful landline ... , including: 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, Arm, ... as below: 1. LCD and blue back-up light, all the setting can be viewed directly on the ...