The motion detectors are somehow the eyes and ears of your alarm system.
There are several different technologies to perform detection:
Infrared: This type of sensor detects any movement of warm bodies.
The sensor emits infrared rays and triggers the alarm when one or more beams are broken.
This is an infrared detector pulse counting at several levels to reduce false alarms. This sensor receives infrared heat emitted by a moving person.
DIR200
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