Fingerprint Door Lock, Biometric Lock with Keypad, Silver, Suitable for Home, Apartment, Office, Bedroom

A couple of Accesses: 3 in 1 biometric door lock that meets day-to-day life. Code unlock and fingerprint unlock – you do not wish to carry keys with you or worry about in search of keys in every single place. Mechanical key can be utilized 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 98% within 0.5 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 out of doors doors).
Warm Tips: Fingerprint door knob requires 4 AAA batteries (not included), which can be utilized 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 utilized for backup power.
After-Sales: Provide customer service that responds within 24 hours, in case you have any questions about our door locks, please feel free to contact us, 30-day free refund (replacement) and lifetime technical make stronger.