... only, RFID only..TCP/IP, RS232/485 communication and USB Host..3.0 inch TFT touch screen, T9 Input, ... is for shift of identification mode. .Infra-red optical system enables user-identification in poorly lit environments..Wiegand input ... ZKFinger10.0/ZKFinger9.02000mAh Backup BatteryN/ACommunicationTCP/IP, RS232/485, USB HostAccess ControlInterfaces for3rd party electric lock, door sensor, alarm, wired ...