3D facial recognition:Using the latest facial recognition technology,When you walk to the door, the Smart lock will automatically sense, automatically recognize the face and unlock, freeing your hands. Multiple locking methods:3D facial recognition unlocking/APP remote unlocking/fingerprint unlocking/password unlocking/card swiping unlocking/mechanical key unlocking. Visual doorbell:When someone presses the doorbell, the bell rings, and the camera will capture a picture and display it on the screen behind the phone and the Smart lock to keep track of the situation outside the door. Cat's Eye:The display screen on the door lock allows for real-time viewing of the outside door, while the situation inside the door cannot be seen through th e door lock, improving the safety level. Automatic alarm:The Smart lock is Normally in a dormant state，When someone wanders outside the door or breaks the door lock, The Smart lock will automatically sound an alarm and check through the mobile phone.