What are the Uses of a Fingerprint Lock? The smart padlock for outdoors uses biometric data, such as fingerprints, to identify and grant access to authorized users. Here are some common applications of fingerprints locks for more information contact us or visit our website. Visit us : https://www.edocr.com/v/e8lvo1ae/kenrone/what-are-the-uses-of-a-fingerprint-lock