Rockbros Heavy Duty Smart Remote Bike U Lock Fingerprint Bicycle Locks, Black

Rockbros Heavy Duty Smart Remote Bike U Lock Fingerprint Bicycle Locks, Black Fingerprint Bike Lock Semiconductor fingerprint identification recognizes quickly and prevents copying unlocking in less than 0 5 seconds Multiple Fingerprints Supports up to 10 sets of fingerprints for family or trusted individuals eliminating the hassle of lost keys or forgotten passwords Smart Unlocking Methods Unlock using fingerprint APP or keys The APP allows remote unlocking and provides access to unlocking records and authorized users Emergency Key Access The key serves as an emergency backup when the lock is out of power Security Anti theft Constructed from alloy steel the lock is resistant to picking and cutting Features a solid thickened lock beam hardened through multiple heat treatments to prevent violent unlocking