... is 150pieces, and it can be expanded. Support bank card,IC card,magcard,RFID card for payment. Support bank notes for payment. 19"antiriot touch ... . Download program and data remotely or upgrade program data with U disk, easy maintenance. Self-diagnosis and repair, fault alarm and reporting ... ,2G RAM or higher,320G hard Disk or higher,6 RS-232,6 USB,video Card,2 ethernet interface,supporting TCP/IP ...