A door contact is a small security sensor designed to detect when a door is opened or closed. It consists of two parts: a magnetic switch mounted on the door frame and a magnet attached to the door. When the door is shut, the magnet keeps the switch closed. When the door opens, the magnet moves away, breaking the circuit and sending an alert to the security system.
These security devices can be used in every space, whether it is residential, commercial, or industrial. Integrated with security systems, these devices can be programmed to allow authorized entry and block access to others. They can be synced with CCTV devices and alarm systems for the users to identify individuals and trigger the alarm when wrong credentials are used for accessing the door.
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