Today’s door locks can be separated into three categories—conventional, nonconnected deadbolts; smart locks; and retrofit smart locks. Here’s what you need to know about them. These models ...

Prism+ is best known for displays, not locks — and putting a hole in your door for an experiment isn't for the faint of heart. But that's what I did, so you don't have to be a guinea pig. Thankfully, ...

Currently, if you have a smart door lock, you typically have to tap a button on your iPhone or Apple Watch to unlock it, or physically tap your device against the lock for NFC implementations.