A door entry system is a security solution that controls access to a building or specific areas within a building. It can include audio, video, or both, to verify the identity of visitors before granting entry.

Installing a door entry system enhances security by allowing controlled access, reducing the risk of unauthorized entry, and providing a means to verify visitors.

While there are no specific laws mandating door entry systems, they must comply with privacy laws and data protection regulations if they involve video recording or data storage, such as the General Data Protection Regulation (GDPR).

Maintenance includes inspecting wiring, cleaning cameras and microphones, checking software updates, testing entry points, and verifying the system’s operation.

Yes, many door entry systems can integrate with other security solutions such as CCTV, alarm systems, and smart home devices for a comprehensive security setup.