Door access control is a security system designed to regulate and monitor entry to a specific area or building. Utilizing a combination of electronic hardware, software, and authentication methods, it grants authorized individuals access while preventing unauthorized entry. Access control systems can employ various techniques, such as key cards, biometric scans (like fingerprints or retinal patterns), PIN codes, or even smartphone apps, to verify the identity of users. This enhances security by reducing the risk of unauthorized access, providing an audit trail of entry events, and enabling administrators to manage permissions remotely. Door access control is widely used in businesses, government facilities, residential complexes, and other environments where controlled entry is crucial for maintaining safety and privacy.

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