? Support 950 users for FP-500A and 4750 users for FP-500B (Each user can enroll 2 templates)

? Fingerprint identification method: 1:1 & 1:N

? Support 20,000 history records

? With infrared rays keypad unit for programming

? Built in RS232, RS422 and RS485

? Identification time could be 0.8 seconds under 1:1 with 950 users

? Built-in Watch Dog, the system never hang

? Built-in tamper switch detects when case is forced open or destroyed, the alarm signal will output (A. B. point)