USB port Credit Card Reader for window system:Windows98 SE, ME, 2000, Server 2003 ... device,need install CD driver Smart Card Interface:T=1, T=0 protocol support,Memory card support through SCM MCARD API*, ... working at 5v,3v and 1.8v) ,Support read and write on Smartcard with ISO/IEC 7816-1,2,3,4 ... ,protocol T=0 and T=1 microchipsSmart Card Connector:8 contacts - ISO 7816 location,100,000 insertions, ...