Semiconductor fingerprint combined with the handle Fingerprint unlocked and press down the handle to open the door Mute and no-beep mode can be set Avoid disturbing the rest with repeated reminders Any number can be entered before or after the correct code As long as the correct code is included, the door can be unlocked Remote control Real-time lock dynamics Unlocking method, fingerprint/password/swipe card/key/WeChat mini programme Graffiti APP(optional)/Tongtong APP(optional), Manufacturer: CCZRD