Fingerprint Door Knob Biometric Door Lock with Code Keyless Entry Door Handle for Bedroom Home Hotel Office Apartment Black

Multiple Accesses: 4 in 1 biometric door lock that meets daily life. Code unlock 4*Key Fobs and fingerprint unlock - you don' t need to carry keys with you or worry about looking for keys everywhere. Mechanical key can be used as a backup key to unlock (in case of emergency such as battery exhaustion)
Fingerprint sensor: 508 DPI fingerprint sensor module, 360° fingerprint reading is accurate and fast, supports storage of up to 100 sets of fingerprints, and the recognition rate exceeds 99% within 0.3 seconds.
Easy Installation: Keyless entry door lock is designed to fit US standard door, Backset 2-3/8 (60mm) and 2-1/8 (70mm), door thicknesses from 1-3/8' ' to 2-1/8' ' (30mm -55mm). the lock just with a small screwdriver quickly and easily install. Fit both left handed and right handed doors (Suitable for indoor and outdoor doors).
Warm Tips: Fingerprint door knob requires 4 AAA batteries (not included), which can be used for up to 8-10 months depending on the frequency of use. Low battery reminder function (the red light will flash three times when unlocking); equipped with a USB interface, which can be used for backup power.
After-Sales: Provide customer service that responds within 24 hours, if you have any questions about our door locks, please feel free to contact us and provide 365 days after-sales service support.