Supports five unlocking methods, fingerprint, password, IC card, Bluetooth APP, mechanical key, which can bring you more convenience in opening and locking the door. For TUYA smart lock can be used in conjunction with other for TUYA‑supported products, or it can be used for gateway to realize remote unlocking (for gateway needs to be purchased separately by the customer). Support the keyboard lock function. After entering the wrong password 6 times, the keyboard will be closed for 3 minutes. In this state, can use the mechanical key and Bluetooth APP to unlock the door. Support the privacy lock mode, there is a button behind the lock, it is a privacy lock mode button, essentially a "do not disturb" mode, can only be opened with a mechanical key, and does not accept fingerprints, cards, passwords or Bluetooth APP to unlock . Support invisible virtual password function, you can enter other numbers before and after your unlocking password, as long as there is a continuous correct password in the middle, you can unlock and open the door, effectively preventing illegal people from peeping and trying to open the door.