Early warning system
Don't be surprised, install the infrared sensorInfrared sensor it is one of the elements of the modern signaling system. Reacts to movement in the zone he supervised. Motion sensors are divided into two main groups: passive and active. Blow detector The HS-300 1747 is a passive detector because it is not a source of infrared radiation, it only analyzes the radiation of other bodies. Such detectors are relatively inexpensive, easy to install and adjust sensitivity and have relatively high immunity to false alarms . these alarms is a great solution for any store, wholesaler or magazine. Being far from the entrance, busy with something else, you will soon be informed by sound of an incoming customer. Infrared sensor in the alarm system it is designed to detect the movement of the intruder and not react to phenomena other than the movement of the intruder.
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