ET6x CAC and Smart Card Reader with Hand Strap. ISO/IEC 7816 Part 1 to 4, EMV 2011 Ver 4.3 Ready, Supported Smart Card Types: 5V, 3V and 1.8V, ISO/IEC 7816 Class A/B/C, Supports T=0, T=1 protocols, 8 pin ID-1 sliding contact socket, Supports CCID (chip card interface device) protocol, IP65 sealed, Operating Temperature: 0 to 50 C, Drop rating: 4 feet on concrete.