Please note, EM4100 chip is read only, it cannot be used to record, it is used in Registering or Mastering way. If you want to buy a rewritable chip, you have to buy the T5577 EM4305 chip

Details:
Material: ABS
Dimensions: Approximately 35 x 29 x 50mm
Response frequency: 125 KHz,
Chip type: TK4100 which compatible with EM4100
Operation Temperature : -40 – 85°C
Waterproof
Application scope: Public transportation, parking, ID identification, attendance system, ticketing, card payment, product logo, etc.
Each comes with Key ring included.
Each token pre-programmed with unique ID which is Laser printed

Ως εξάρτημα, δεν καλύπτεται από εγγύηση