Locksmith Luton: What Is a Security System: Door and Window Sensors
Door and window sensors are made up of two parts. One part of the device is installed on the door or window and the other on the door or window frame. When a door or window is closed, the two parts of the sensor are connected, creating a security circuit.
When the security system is armed at the control panel, these sensors communicate with it reporting that the entrance is secure. Should a monitored door or window suddenly be opened, without the disarm code entered into the control panel, the security circuit is broken and the control panel interprets this as a breach of a secure zone. A high-decibel alarm is sounded and in most instances the alarm monitoring company is automatically notified.
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