125khz em4100 and 13.56mhz MIFARE Classic 1K Chip inside
both chip has unique id pre-programmed,and UID can't change
PVC Material,credit card size,white printable by Evolis or Zebra printer
Description
1.Chip:125khz EM4100 and 13.56mhz MIFARE Classic 1K Chip. MIFARE and MIFARE Classic are trademarks of NXP B.V.
2.Blank White Card
3.PVC Material
4.Credit Card Size.