This smart video lock unlocks with a wave of your hand
The Eufy FamiLock S3 Max uses palm vein recognition and features a built-in screen to show you who’s at the door.
Asia One10d
Prism+ Sentinel Door Lock and Sentry Pro Gate Lock review: Say hello to hands-free convenience
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.