... -class,OEM/ODM,CE/F Touch Color Screen Fingerprint/Rfid Card Time RecordingTechnical Information :· User Capacity: 3000 ·Transaction Capacity: ... Authentication Modes).·I/O interface: RS232/485, TCP/IP, SD memory card slot (Standard 1G), USB Host & USB Client.· Standard Function: ... T9 Input, Self-Service Query.·Options: HID / Mifare / ID card, 2G SD card, Web server, Work code, WIFI, GPRS, Printer, RIS, ...