Currently on the market, in addition to fingerprint recognition, some also come with a password feature. Therefore, these types of fingerprint locks are often referred to as fingerprint-password locks. Fingerprint, password, and emergency keys can open the lock separately. The password function depends on the security settings; the password length ranges between 4-12 digits, and the number keypad usually adopts a full digital input method from 0-9. Of course, it's not true that more expensive fingerprint locks are always better. When actually purchasing a fingerprint lock, one should generally focus on "security, stability, universality, and intelligence."
1. Security
After installing a fingerprint lock, it should not affect the functionality of the anti-theft door. The lock should not have any obvious security vulnerabilities...