With a fingerprint false recognition rate. : The Keyless entry fingerprint door locks Designed to fit US standard doors, the lock has a backset of 2-3/8" (60mm) and 2-1/8" (70mm) and is suitable for door thicknesses of 1-3/8" to 2-1/8" (35mm - 55mm). It requires no wiring or drilling and can fit both left- and right-handed doors. The smart door knobs offers quick and convenient access to your home, with recognition of fingerprints in just 0.5 seconds. Additionally, multiple fingerprints can be added to the lock, allowing multiple people to have access.These fingerprints can be managed through the accompanying smartphone app, making it easy to control who can unlock the gate door. You can also set temporary passwords and share them with friends, visitors, or housekeepers. It's suitable for families, hotels, schools, and garages and supports both iOS and Android devices. : The smart lever door lock handle requires 4 AAA batteries(not included) and has a low battery reminder function. It also has a USB interface for emergency charging, ensuring that you can always access your home even in the event of a power failure.