YARONGTECH® RFID chip 13.56 MHz MIFARE Classic 1K Tag 10pcs

RFID 1K Keyfobs All keyfobs are pre-programmed with a unique ID(4 Byte UID). The UID is NOT changeable, factory default key: FF FF FF FF FF FF red,blue,black,green,yellow,white,orange,red color available in stock,logo printing is optional