5-in-1 Unlocking: Supports fingerprint, numeric passcode, IC card, traditional mechanical key, and smartphone App control. Tuya Smart Integration: Fully compatible with the Tuya/Smart Life app for remote unlocking, temporary password generation, and real-time logs. Advanced Biometrics: Features a 360° semiconductor fingerprint sensor on the handle for rapid recognition (under 0.5s). Enhanced Security: Includes a "Virtual Password" anti-peeping feature, allowing you to enter random digits before/after your actual code. Emergency Power: Built-in micro-USB port for emergency charging if the batteries die, plus a hidden mechanical keyhole. Privacy Mode: Internal electronic locking switch to prevent entry from the outside even with valid credentials.