4-in-1 Smart Unlocking: Upgrade your door lock experience with this keyless entry door lock, featuring four secure unlocking methods: fingerprint recognition (stores up to 20 fingerprints), personalized passcodes (20 pcs), Bluetooth app control (remote access via a separately purchased gateway), and backup keys for emergency access. The fingerprint door lock supports auto-locking with an adjustable timer from 5 to 1800 seconds, ensuring your home remains secure. Activate Passage Mode by disabling auto-lock on the app or bedroom door lock, allowing continuous access through the thumbprint door knob. Seamless App Control& User Management: Effortlessly manage access with the smart door knob via its app. Grant permanent access to family members or temporary passcodes for guests, deliveries, and housekeepers. The keypad door lock with handle also features a silent mode for undisturbed rest and a historical log function to track entry records, providing enhanced control and security. E