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How does the door/window sensor and glass break sensor work?

April 26, 2017break door glass sensor window

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How does the door/window sensor and glass break sensor work?

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Door/window sensor has a sender/receiver and a contact switch plus magnet on about 15cm of wiring. Sender/receiver is fixed using supplied sticky-back Velcro near door/window frame, contact switch adheres to frame and magnet is fixed to door or window. When door or window is closed, contact and magnet are together. If separated (by intruder) when armed, system alarms. Glass break sensor works in a similar way, sensor sticks to glass and if it receives a hard impact or glass breaks, system will activate. Major advantage with these sensors is the security system (and dialer) activates before the thieves get in!