【4-IN-1 Unlock Ways】Volibel smart lock has 4-in-1 keyless entry door lock: fingerprint +Tuya APP Bluetooth +password + 2 physical key. We have increased the storage space of lock, stores up to 50 fingerprints and 100 password codes. The elderly and children can easily use, free entry and exit. Eliminating the trouble of carrying key with you. 【Upgraded Fingerprint Sensor】: The fingerprint door lock in black is equipped with upgraded 360° live fingerprint, and the recognition accuracy rate is up to 99%, one touch unlocks in just 0.3second, and the upgraded fingerprint reader will be more durable, stable and accurate. Buy Volibel smart lock to make your home more secure and convenient, worth choosing. 【Simple but Smarter and Securer】The biometric door lock support App control, easily get fingerprint manage, app check unlocks records, auto lock, passage mode, secure lock, help you create a smarter and much convenient life, guard your family safety. 【Classical Design but Stronger】The biometric door smart deadbolt extended the classical door knob design, equipped with fingerprint lock function and modern App control, a very ideal fingerprint doorknob smart lock for bedroom door, office, apartments, hotels. 【Easy Installation】The fingerprint door knob door lock can be easily installed with a screwdriver within minutes, fits most US door, easily replace with existing door locks. Unlocking method: fingerprint unlocking, password unlocking, Tuya APP unlocking; Fingerprint password lock when fingerprint or password is not registered.The device will not turn on the Bluetooth network configuration mode.Before connecting the Tuya APP, you need to press the fingerprint or password first, then the device wakes up and turns on the network configuration mode for 1 minute;After the lock body is restored to factory settings,all data in the device will be cleared; Password: if there are 10 digital keys (0-9)for the touch code of the machine, the number of digits of the user password is 6-12 digits;The dynamic password generated by the APP has 6-12 digits,and the user can directly enter it at the lock end to unlock; 【4-IN-1 Unlock Ways】Volibel smart lock has 4-in-1 keyless entry door lock: fingerprint +Tuya APP Bluetooth +password + 2 physical key. We have increased the storage space of lock, stores up to 50 fingerprints and 100 password codes. The elderly and children can easily use, free entry and exit. Eliminating the trouble of carrying key with you. 【Upgraded Fingerprint Sensor】: The fingerprint door lock in black is equipped with upgraded 360° live fingerprint, and the recognition accuracy rate is up to 99%, one touch unlocks in just 0.3second, and the upgraded fingerprint reader will be more durable, stable and accurate. Buy Volibel smart lock to make your home more secure and convenient, worth choosing. 【Simple but Smarter and Securer】The biometric door lock support App control, easily get fingerprint manage, app check unlocks records, auto lock, passage mode, secure lock, help you create a smarter and much convenient life, guard your family safety. 【Classical Design but Stronger】The biometric door smart deadbolt extended the classical door knob design, equipped with fingerprint lock function and modern App control, a very ideal fingerprint doorknob smart lock for bedroom door, office, apartments, hotels. 【Easy Installation】The fingerprint door knob door lock can be easily installed with a screwdriver within minutes, fits most US door, easily replace with existing door locks. Unlocking method: fingerprint unlocking, password unlocking, Tuya APP unlocking; Fingerprint password lock when fingerprint or password is not registered.The device will not turn on the Bluetooth network configuration mode.Before connecting the Tuya APP, you need to press the fingerprint or password first, then the device wakes up and turns on the network configuration mode for 1 minute;After the lock body is restored to factory settings,all data in the device will be cleared; Password: if there are 10 digital keys (0-9)for the touch code of the machine, the number of digits of the user password is 6-12 digits;The dynamic password generated by the APP has 6-12 digits,and the user can directly enter it at the lock end to unlock;