Fingerprint Smart Door Lock with Handle Biometric Keyless Entry Front Door Lock for Home Hotel Office Bedroom(Silver)

These black door knobs have 4 unlocking methods, Fingerprint + Passcode + IC Cards + Physical Keys. The fingerprint door knob supports to add:100 fingerprints+100 group passwords.
Featuring upgraded fingerprint recognition technology with a 99% accuracy rate. The fingerprint reader has a curved design, making it suitable for fingers of various sizes, with high sensitivity and a comfortable touch operation.
No wiring or drilling required. This door lock fits doors with a thickness of 30mm-55mm and is compatible with both left- and right-hand doors. Ideal for bedrooms, front doors, and interior doors.
The finger print door knobs has a low battery alarm function. When the battery is out of power, you can use the spare key or Type-c port for emergency charging and unlocking. Normal use requires 4 AAA batteries (not included).