5/10/20/50/100 - Re-Writable 125Khz RFID Proximity ID Card Token Tags Key Fobs Operational Frequency: 125 KHz Dimension: 33mm (L) x 27mm (W) Colour: Blue, Black, Grey, Orange, Red and Yellow Chip type: EM4305 / T5577 Water-resistant Each comes with key ring Each tag has been pre-programmed with unique ID, which is Laser printing on it, please buy the re-writable keyfob is you would like to create your own ID Application uses: public transportation, parking, ID identification, attendance system, ticketing, card payment, product logo, etc.
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