The Loctian Smart Door Knob Fingerprint Smart Lock is a keyless smart door lock that offers convenient control through its accompanying app and Bluetooth connectivity. This model, DL0201, is made of durable zinc material in a stylish bronze color. With its biometric fingerprint feature, users can securely access their home while ensuring their safety and privacy. The Loctian Smart Door Knob is an innovative and modern solution for modern homeowners looking to upgrade their home security system.