Switch the alarm ON and the main unit works .A sharp alarm will be heard when any one of six areas is intruded. Both the main unit and the magnet /vibration sensors can alarm sharply to frighten away the thief.
The main unit (the largest one)can indicate which area is intruded .And the name of the area can be written down beside the indicator light.
The infrared sensors can be placed in secret places and send signal to the main unit .
The magnet sensors and the vibration sensors can alarm when someone intrudes.
Remote controls can arm or disarm the alarm system .
Maximally six areas can be monitored.
Simple installation for DIY.
Switch the main unit OFF .Both the main unit and infrared sensors do not work