The Eplex E5031BWL-626-41 series of Eplex Electronic Pushbutton Lock eliminate problems and costs associated with issuing, controlling and collecting keys and cards. The E-Plex E5000 Electronic Pushbutton Lock Series provides exterior access by combination, while allowing free egress. Unican Kaba Ilco Simplex is the leader in top of the line security solutions that presents industrial strength combination lock with high quality security products for over 100 years now. For a security lock, the highly weather resistant Eplex 5000 Series earns an impressive Grade 1 rating from ANSI (American National Standards Institute) - this rating is the highest one they give out for quality. The Eplex 5000 grants entry upon successful validation of a 1 to 5 digit code that you pre-program into the lock. Being vandal protected hardware, the Eplex series of PIN based locks find widespread acceptance in high-traffic commercial, institutional, and government buildings throughout the world.