Unlock Method: The smart door lock supports password, smart card, fingerprint, key and APP remote unlocking, convenient and fast, no interference with each other. Good Durability: The door lock module is waterproof, tested at high and low temperature, resistant to vibration and aging, can adapt to harsh environments. Remote Function: The door lock can be connected to the mobile phone through WiFi to realize remote unlocking, and the unlocking record can be viewed through the APP.