A convenient alternative is an electronic lock: In the middle ground between traditional keyed locks and fully connected smart locks, these keyless locks open with a code entered on a touchscreen ...

Here’s how it works. Xiaomi has unveiled a new smart lock that doesn't just do away with keys, but gives you 10 alternative ways to open your front door - including AI facial recognition.

Like last year's U100 Smart Lock, the U200 is able to sense if the door is open, sending an alert if someone forgets to close the door. It is also able to lock the door automatically after it is ...