125Khz RFID Key Fob Tag 125Khz Read Only TK4100 Compatible with EM4100/EM4200(Pack of 10)

Product Description
Material: ABS Size: 41*33*4.3mm Color: Mix color Chip: TK4100(Read-only) Compatible: EM4100/EM4200 Working frequency: 125kHz Package: Red*2，Black*2，Yellow*2，Green*2，Blue*2