10Pcs 125KHz Writable Rewritable RFID EM4305 RFID Keyfobs Tag Token For Copier
Rewritable,Can be used in 125KHz RFID card Copier/Duplicator (can NOT support HID copier). Frequency: 125KHz. 32 bit unique identifier (UID). Always believe we can solve problems by communication if there are any problems.