... :2000,SGS certificated Plastic 13.56Mhz RFID Key Chain Access Control sle4428 smart Card sle4428 IC Card sle4428 chip card TK4100 ID Card EM4100 ID Card Materialenvironment friendly ,ABS ... , Yellow,Black, Grey, GreenChipEM4100,TK4100,MIFARE 1 S50,MIFARE 1 S70,I-CODE2,Ultralight,T5577Frequency125khz or 13.56mhzHeat Enduranceminus 5°C to 70 ...