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Alarm system
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1. composition
   Alarm system equipment is generally divided into: front-end detectors, alarm controller. The alarm controller is a host (such as the host computer) is used to deal with, including wired / wireless signal processing, the system itself fault detection, power supply part, signal input, signal output, built-in dialer, A burglar alarm system alarm controller is essential. Front-end detectors include: door switch, glass break detector, infrared detector and infrared / microwave dual instrument, emergency call button.

2.General classification
  •   Telephone alarm
  •    Infrared alarm
  •    Audible alarm
  •    Security camera
  •    Infrared Detectors
  •    Door window magnetic
  •    Infrared radiation
3. Images showing