facial time attendance with TCP/IP, RS232/485,USB Host 1)Facial Time attendance 2)TCP/IP, RS232/485,USB Host Introduction: ... only, RFID only..TCP/IP, RS232/485 communication and USB Host..3.0 inch TFT touch screen, T9 Input, 9 ... ZEM600Fingerprint SensorZK Optical SensorCameraHigh Resolution Infrared CameraDisplay3 Inch Touch ScreenFace Capacity400 (optional 3000)Fingerprint Capacity2000 (optional ...