These are really keypad systems that are hardwired in. The keypad is mounted outside the door, and it controls an electric strike or magnetic lock. The electronics on some models are mounted inside, in a secure place. ... Most of these systems are weather-proof and very rugged. They work just about anywhere.

What is electronic keypad?

Electronic keypads allow the ability to permit or deny the use of the entrance via a code which can be entered by using a numeric code, or PIN. They come in a wide variety of designs and can be used with computers as part of a system, or standalone to grant access to one door with the minimum of set up time.

How do door keypads work?

How Keypad Locks Work. Instead of a key, this type of lock system requires a numerical code to grant entry to a facility or property. The code is punched in by users via a numerical pad, similar to those on a basic calculator. If the correct code is entered, the door lock or deadbolt should release.