DOOR GAP SENSOR

Listing ID #3851682

* The Door Gap Sensor is a surface mounted  magnet and reed switch.* The Door Gap Sensor is used to monitor doors and  windows.* If a window or door (which is fitted with the door Gap Sensor) is  opened when the system is Full Arm or Partial Arm, Door -Gap Sensor will send a  signal to the Main Unit to activate an alarm.* Door Gap Sensors are very useful  when using Partial Arming function.