... ,intruder alarms,intruder alarm system guard against theft and alarm systemHome alarm system 1,gsm alarm system 2,Smart alarm system 3,home alarm,house ... module. 2.6 wireless zones( 1 wireless SOS zone, 1 wireless fire alarm zone, and the other 4 wireless zones can be ... phone No. while alarming. 5.You can call the main unit at any time and listen what happened in the alarm area ...