Here’s how it works. The best smart locks offer keyless convenience without sacrificing security. You can use yours to automatically open up when you're carrying shopping to the door ...

With the best smart locks, you can adjust codes, add unique fingerprints for family and friends, and even create passes for service providers such as babysitters, pet sitters and nannies.

this knife is a bit of a study in contradiction. On the outside, its streamlined silhouette is super minimalist. But on the inside, its crossbar lock is surprisingly complex, enabling you to fine-tune ...