Contact Card: Siemens chip:SLE5542 or ISSI4442 or FM4442 256-Byte EEPROM,Write Protect ... edgeA+ quality lamination(glossy&matte&frosted)Chip Features:Serial:Siemens/Infineon SLE,Contact IC Chip,RFIDChip option:Siemens SLE5542,FM4442,ISSI4442, Interface ... pictures is for different craft reference. Contact Card embeded Infineon chip