facial time attendance with TCP/IP, RS232/485,USB Host 1)Facial Time attendance 2)TCP/IP, RS232/485,USB Host ... may work with the third party such as electric lock, alarm, door belling, sensor and so on, in order to improve security for human ... , RFID only..TCP/IP, RS232/485 communication and USB Host..3.0 inch TFT touch screen, T9 Input, 9 Digit User ...