K3——Waterproof Safe Key Box smart lock

The smart key box can safely store the door key, allowing you to easily enjoy the convenience of keyless life, and avoid the cumbersome removal of the original door lock to install the smart door lock Unlock way:TTLock app,Fingerprint,Passcode,Smart Card. Support WIFI unlock remotely from APP with Gateway. Use TTLock App to unlock,share access,and see the access records. Can replace the smart door lock:sometimes the smart door lock is too expensive and maybe it not fit the door. It has USB emergency interface,you can charge the box when the battery run out