Choose from three unlocking methods (fingerprint, key, app) as you like, supporting precise fingerprint unlocking for up to 50 family members. No need to carry keys or remember passwords, allowing them to enter the house more conveniently without waiting or searching for keys. The app control feature is super powerful, not only allowing remote unlocking but also managing fingerprints, viewing unlock history, and even setting smart scenes to add convenience to your life! | Vevor | | Smart Door Knob, Biometric Door Lock Bluetooth Smart Lock, Fingerprint Smart Lock with APP Control | Black | Best Buy