Detailed Product Description

Features:
 1) Alarming by telephone automatically
 2) Long range arming and disarming by telephone
 3) Reply the designated phoneme and position in the way of revolving when the
     system
 4) Alarming and starting alarm siren
 5) Long range silent monitoring
 6) Alarming priority automatically when engaged line or killed line
 7) Auto redial in case of a busy line
 8) Wired bug and wireless bug (optional)
 9) Hand over the direct current two uses
10) Ionization smoke detector, household gas detector (optional)