Abstract:
A fastening bolt and a digital door lock with the fastening bolt is disclosed. More particularly, a fastening bolt is provided that can be easily installed on all kinds of doors with a door knob such as interior and exterior doors and chassis doors, without damaging existing doors with a mechanical door lock, and a door lock with the fastening bolt.
Abstract:
A digital door lock is disclosed. More particularly, a digital door lock is provided that digitally operates and can be easily installed on all kinds of doors with a door knob such as interior and exterior doors and chassis doors, without damaging existing doors with a mechanical door lock.