The main principle of this circuit is that the door lock opens only when the buttons in series are pressed at a time. We can use it to lock the doors and for other security purposes. This article ...

Locks come in a variety of types and designs to meet a wide range of security needs. While many locks use a simple key-and-tumbler design, some locks use technology that is significantly more advanced ...

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

Yale’s latest electronic lock won’t connect to your other smart home gear or to your smartphone, but it’s easy to install and manage. It covers the basics in style. Yale’s parade of high-tech locks ...

Padlocks are portable locking devices that we all learned about as kids to secure our school lockers, bikes, and other valuables. They come in an infinite number of configurations and are controlled ...

Smart locks that supplement or replace your front door deadbolt do much more than lock and unlock your door without a key. Most smart locks (and all of the locks on our top picks list) let you receive ...

Leaving a spare key under the doormat or on top of a doorframe is never a good idea. A dedicated lock box for your spare keys allows you to provide entry to others when you’re not around—like dog ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. When you need to safely store keys, cards, and other ...