Tired of issuing, controlling, and collecting keys or cards? Want to ELIMINATE the costs and security concerns of managing keys, changing locks, lost keys, and magnetic stripe cards? Then look no further than this economical medium-duty commercial exit lock. Using touchpad control, you will assign and issue PIN code credentials of 4-8 digits in length. Each time there is a user change, you simply log-in with your master PIN and either delete/change/add users. The E-Plex 2000 is an INVESTMENT in your business's security, and productivity. Banks, Hospitals, Schools, Restaurants, Movie Theatres, Airports, Retail, Offices, Pharmacies Product Enhancement | Effective 3/1/12E-Plex 2000 Series locks now available with audit trail and software management. Utilizing the M-Unit Kit (sold separate), and E-Plex Standard Software (Download FREE), you can access the last 1,000 audit events recorded in memory, including the use of the mechanical key override.