Secustone Fingerprint Door Lock, Smart Lock, Keyless Entry Door Lock, 4 in 1 Smart Door Knob with Passcode/Smart APP/Fingerprint/Backup Key, Door Lock Fingerprint for Bedroom, Apartment, Office, Black

👍【BLUETOOTH APP UNLOCK】: In addition to the password, fingerprint and key unlock, the fingerprint door lock also adds the Bluetooth function. Connect to Tuya APP via Bluetooth, you can unlock and lock the smart lock with one key on your phone（5-10 meters away from the smart lock）.
👍【LARGE AREA FINGERPRINT SENSOR】: Fingerprint door lock has upgraded the resolution of the large area fingerprint sensor. 160*160, the area is increased by 35% compared with the ordinary fingerprint sensor 120*120.
👍【AUTO-LOCKING】: Smart lock is equipped with an automatic-locking function. The interval time of automatic locking can be set through the APP. After unlocking, it will be automatically locked within the set time.
👍【TEMPORARY PASSWORD】: Smart door lock can add up to 50 sets of passwords and 100 fingerprints, it also can generate a temporary password through the app, and the temporary password is valid within the set time range.
👍【WRONG PASSWORD/FINGERPRINT ALARM】: When the illegal intruder uses the wrong password or fingerprint to unlock the smart lock for many times, the smart APP will push the alarm information to remind.