3D Face Recognition: Advanced biometric sensor for hands-free, secure unlocking even in low-light conditions. Built-in Video Intercom: Features an indoor HD screen and outdoor camera for real-time visual monitoring and two-way communication. Tuya Smart Integration: Fully compatible with the Tuya/Smart Life app for remote unlocking, temporary passwords, and activity logs. 7-in-1 Unlocking Methods: Supports Face ID, Fingerprint, Password, IC Card, Mechanical Key, App Remote, and WiFi temporary codes. Enhanced Security Mortise: Heavy-duty multi-point locking bolt system for maximum anti-theft protection. Rechargeable Power: Powered by a high-capacity lithium battery with an emergency USB-C charging port.