ROCKBROS Smart Bike U Lock with Fingerprint and App Control Waterproof

Fingerprint Bike Lock. Semiconductor fingerprint identification not only recognizes quickly, but also prevents copying. The bike lock features less than 0.5 seconds to unlock by fingerprint. It support 10 sets of fingerprints, you can set fingerprints for your family or trusted person. Fingerprint lock helps you solve the trouble of losing keys or forgetting passwords. 3 Smart unlocking methods. The bike lock can be unlocked by fingerprint, APP, keys. What’s more, you can remotely control the unlocking by APP. Connected via Bluetooth, APP allows you to unlock stably and flexibly.