1. Multiple unlocking methods: Including fingerprint, anti-privacy virtual password, traditional mechanical spare key (including 2). 1-touch fingerprint access, reads your fingerprint and unlocks your door. The fingerprint capacity is large, which can store 50 fingerprints. Convenient to store fingerprints of family members or close friends. 2. Smart Tuya APP: Easily realize the intelligent life of home interconnection. Real-time management, door opening record, checking door lock status (networking status, unlocking record, abnormal alarm, remote unlocking, power reminder) (optional). 3. USB charging port emergency and spare key: When the battery is seriously low or the battery is completely exhausted, you can use the spare key to open the door. With its own USB charging port, it can also temporarily supply power when connected to a mobile power bank. 4. Adjustable volume: You can adjust the sound. 0 is silent, 1 is low volume, 2 is medium volume, and 3 is high volume. Silent mode won't bother you when you get home late at night. 5. Anti-peeping design: The fake password anti-peeping design can enter garbled characters before and after the correct password. It will effectively protect the personal safety of you and your family. This door lock will provide you top-notch security, utilizing semiconductor and biometric technology to avoid identical fingerprints., Manufacturer: DMETE