... lock,house alarm,safe house alarm system alarm annunciator Function: When you go out, rotate the key lock 2 turns, door closed ... siren. At the same time it will call the owner of mobile phones, unlocking and locking the daily anti-theft alarm system and disarm ... system operation.Alarm Lock is set in step:1, to the host plug in the power, telephone lines,2, calls the alarm settings: press the ...