4 ms·
I think the main benefit here is that it works with your existing lock, so it could work on apartments, dorm rooms, office doors, etc. Those key code deadlocks
by veemjeem 14y ago
I think the main benefit here is that it works with your existing lock, so it could work on apartments, dorm rooms, office doors, etc. Those key code deadlocks have always existed, but never very popular.
- khairulzaman 14y agoIn the US, maybe. Here in Seoul it's everywhere. Practically all apartment units come with them pre-installed.