... 3. perfect color 4. ISO9001:2000,SGS certificated 13.56Mhz RFID key tag sle4428 smart Card sle4428 IC Card sle4428 chip card TK4100 ... screen printingColorBlue, Red, Yellow,Black, Grey, GreenChipEM4100,TK4100,MIFARE 1 S50,MIFARE 1 S70,I-CODE2,Ultralight,T5577Frequency125khz or 13.56mhzHeat Enduranceminus 5 ... requestedShipmentby express, by air, by seaCertificateSGS, ISO9001:2000 13.56Mhz RFID key tag