Digital Smart Door Lock Fingerprint APP Card Password Key Electronic Home Security Lock Feature: 1.5 Unlocking Methods: Fingerprint, password, key, IC Card, Tuya App are enabled. It's super convenient for you and your family members to enter home. 2.App Management: You can easily manage your smart door lock through Tuya APP. 3.Scramble PIN Code: Users could enter any digits randomly in front of or after the correct password while inputting, which can confuse anybody that may be watching during entry. Ensure you maximum safety and security. .