【Keyless Entry Door Lock with Knob Set】: The combination of passage door knob and smart deadbolt is more convenient,it helps customers avoid the hassle of separately choosing and matching door handles； 【4 in 1 Unlock Ways Deadbolt】: This smart lock set can be unlocked by Fingerprint, Password, App and Key, meeting various people's daily needs in multiple scenarios, and they no longer have to worry about forgetting their keys when going out; 【Fingerprint Unlock】: It uses biometric technology, with a recognition rate of up to 99.8%, it can accurately identify your fingerprint and unlock the door in just 0.3 seconds, securely accommodates up to 50 fingerprints, ensuring seamless access for multiple authorized individuals; 【Password Unlock】: This keypad lock securely accommodates up to 250 access codes for family use, and supporting setting multiple one-time passwords, which will be automatically deleted after being used to unlock the electronic deadbolt; 【Auto lock】: The smart door lock can be set to automatically lock within 5 to 60 seconds after the door is closed, avoiding the situation of forgetting to lock the door in case of emergencies, ensuring the safety of the home;