Kai Kloepfer, 19, has developed a prototype gun that unlocks with a fingerprint sensor, like a smartphone. Could it save lives? WSJ's Geoffrey A. Fowler takes it for a first test shot. Photo/Video: ...

We tested highly rated smart locks that feature connectivity, changeable codes, and fingerprint readers. Find out which ones ...

A smart gun developed by Biofire will soon start shipping to customers that pre-ordered the firearm. The Biofire Smart Gun features built-in fingerprint and infrared facial recognition technology that ...

Posts from this topic will be added to your daily email digest and your homepage feed. U-tec’s latest Ultraloq Bolt smart lock adds a Matter-over-Thread version, alongside Wi-Fi and Apple Home Key ...

This inexpensive smart lock covers the basics—and even provides a fingerprint reader—making for a very affordable smart lock if you don’t need any other bells and whistles. You probably know TCL for ...