The document summarizes the features of HID's iCLASS contactless smart card, which uses 13.56 MHz contactless RFID technology. It can be used for diverse applications including access control, biometrics, transportation, and loyalty programs. The card offers multiple securely separated files and comes in PVC or composite PVC/PET materials in various bit sizes from 2k to 32k. Features include contactless read/write capability, encryption, and compatibility with various card printers.