Programmable locks are advanced locking systems that allow users to set and change access codes easily. Unlike traditional keys, these locks can be programmed with multiple codes, enabling different users to enter without needing a physical key. This feature is particularly useful for homes, offices, and rental properties, where access needs may change frequently. These locks often come with digital displays and can be operated using keypads, smartphones, or even biometric data like fingerprints. Many programmable locks also offer remote access capabilities, allowing users to grant or revoke access from anywhere, enhancing security and convenience.