The ID-1 of ISO/IEC 7810 standard defines them as 85.60 × 53.98 × 0.76 mm (3.370 × 2.125 × 0.030 in).[1] Contains a security system with tamper-resistant properties (e.g. a secure cryptoprocessor, secure file system, human-readable features) and is capable of providing security services (e.g. confidentiality of information in the memory). Assets managed by way of a central administration systems, or applications, which receive or interchange information with the card, such as card hotlisting and updates for application data. Card data is transferred via radio waves to the central administration system through card read-write devices, such as point of sales devices, doorway access control readers, ticket readers, ATMs, USB-connected desktop readers, etc.