How Does a Keypad Lock Work?. 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 ...

We've tested and reviewed products since 1936. Read CR's review of the Amazon Basics Traditional Keypad PL10S10 door lock to find out if it's worth it.

Level's previously-teased keypad has officially launched as a companion to its line of HomeKit-enabled smart locks.