1. Multiple Unlocking MethodsThis fingerprint door lock offers various unlocking methods, including fingerprint recognition, a virtual privacy password, and traditional mechanical backup keys. With a large fingerprint capacity of up to 50 fingerprints, it provides convenient access for multiple users. 2. Smart App ControlManage and monitor your door lock in realtime via the dedicated app. Keep track of door opening records, check the lock status, and receive notifications for abnormal activities or low battery. (Optional feature) 3. USB Charging Port Backup KeyIn case of low or depleted battery, a backup key is provided for manual door unlocking. Additionally, the lock features a builtin USB charging port, allowing temporary power supply from a portable power bank. 4. AntiPeeping DesignUsing advanced semiconductor and biometric technology, the lock prevents identical fingerprints from unauthorized access. Its ergonomic design enables fast fingerprint recognition within 3 seconds and automatic door locking upon authentication.