[Secure Your Home with Smart Door Lock] Our fingerprint door lock offers easy unlocking options using your unique fingerprint or APP to your home. This smart door Knob provides the option of using mechanical keys for entry, offering added peace of mind in case of emergencies. [4-In- 1 Keyless Entry Door Lock for Bedroom] The smart lock for bedroom offers various operating modes to suit your needs. Switch the thumbprint door knobs convenience of Passage Mode, the standard operation of Normal Mode(5s auto lock), the fingerprint door knobs privacy of Privacy Mode, or the quietness of Silent Mode, you can easily customize the lock settings by rotating the thumb turn to match your smart home lifestyle. [Convenient App Control of finger print door knobs] Easily set fingerprints, check access records and share or add access with family members in the APP. App Control should within Bluetooth Range. If you want remote control of the smart door lock, you need to purchase a gateway separa