Patented false fingerprint detection. Capacity for 20,000 users (20,000 tracks). Capacity for 61,000 movements. 2.8" LCD color screen. Integrated camera TCP / IP, RS232, RS485, Wiegand. Compatible with "key in the mobile" (Virdi mobile key). OSDP protocol. 13.56 Mhz RFID reader. Allows SR-100FP slave reader to use as an anti-passback.