Southco Electronic Key System provides an efficient solution for key management issues. User-friendly and easily programmable, self-contained system provides different access privileges in multiple enclosures and is ideal for battery-powered systems and applications with many users. The key fob, information reader and authentication checker work seamlessly in conjunction with Southco electromechanical locks. Users can program, add and delete at the push of a button and are secured with 280 trillion possible key codes.