Cars have had smart keys for quite a while now, and they have almost entirely phased out regular keys. What are smart keys, actually? How do they work?

Five new smart locks hit the Amazon Key platform Thursday. Three new Amazon Key Editions from Kwikset and two from Yale are now available as Amazon adds features like remote lock and unlock and ...

The Ultraloq Bolt Fingerprint Matter smart lock is one of three new smart locks from U-tec that come in Matter-over-Thread, Wi-Fi, and Apple Home Key versions.

Equipped with an NFC radio, the new Level Lock Plus with Apple Home Key support can unlock when your iPhone or Apple Watch is near.

Few third-party smart home locks support home key yet, but today, Apple retail stores are stocking popular smart home accessory maker Level 's first home key compatible smart lock, the Level Lock+.

Smart keys for cars have almost entirely phased out regular keys. Though not perfect, smart keys have a lot of benefits, and they work in an interesting way.