This smart door lock integrates multiple advanced biometric authentication methods, including fingerprint recognition, password entry, facial recognition, and palm vein identification, offering users flexible and secure access control. It features a built-in high-definition camera with two-way audio for real-time visual intercom, enabling clear communication with visitors before granting entry. The fully automatic locking mechanism ensures seamless operation—no manual turning of the handle is required after door closure. Designed with a standard 5050 latch bolt, it adopts a mortise-style installation compatible with most common residential and commercial doors. The device supports remote monitoring and management via a dedicated mobile application, allowing users to view live camera feeds, receive door activity alerts, check access logs, and grant temporary access codes. Its robust construction ensures durability and resistance to tampering or forced entry. The intuitive interface simplifies setup and daily use, while low-power consumption and long-lasting battery life minimize maintenance needs. Enhanced encryption protocols protect user data and prevent unauthorized access or spoofing attempts. Ideal for modern homes, offices, or rental properties, this intelligent locking solution prioritizes both convenience and security without compromising on reliability or ease of integration.