1,Hardware platform: ZEM510 2,3" digital Color TFT screen 3,USB-Device, TCP/IP,RS232/485 ... : 80000;Algorithm version: Biokey 10.0, Hardware platform: ZEM510,3" digital Color TFT screen, Communication: USB-Device, TCP/IP,RS232/485 ... time,please feel free to contact us. Fingerprint Time Attendance Terminal