The smart door lock provides you with protection and security. Goodbye to the key. The lock works with fingerprint, password, and card. Secret code (99 secret codes). Card (up to 50 cards), and the device comes with 2 cards. Open with password. Open with backup key. Control via TTLock app. For communication and order: ( Phone number appears when clicking the contact button ) #Smart_Lock #Smart_Door_Lock #Smart_Lock #Smart_Handle #Smart_Door_Handle #Smart_Lock #Smart_Door_Handle #Electronic_Lock #Electronic_Locks #Smart_Lock_Apartment_Door #Smart_Lock_Exterior_Door #Smart_Lock