54x0.82x85 (mm), ISO 14443-A, 13.56 Mhz, CARD CAPACITY:1k bytes EEPROM, organized in 16 sectors with 4 blocks of 16 bytes each, 30 ~ 50 mm, SURFACE PRINTABLE:Yes, PVC Overlay, -50 to 160 F (-45 to 70C), 600 gm, MiFare Option