PR-80C Proximity Card Reader with LCD Display 1. Standalone or PC on line with Software 2. With backlit LCD & Keypad 3. Support 10,000 users when PR-80C under standalone situation 4. Built-in clock and calendar 5. Data is protected even after power failure 6. Can save 10,000 history records 7. There are 60 holiday schedule 8. Built-in Watch Dog, the system never hang 9. Built-in tamper switch detects when case is forced open or destroy 10. There are 32 bell time schedule in a day 11. There are 12 shift schedule in a day