Please note, EM4100 chip is read, that is, it can not be recorded. If you want to buy a rewritable chip, you have to buy the chip EM4305 tags.
Please open the link to purchase EM4305 chip tags.
we provide the Random color by default, if need customize the color, please leave message to tell us
Please notice that this is not writable one (not copiable, not duplicat), it registe to the system that you want to use, then use the keyfob directly.
100% brand new and high quality, original from 5YOA
Operation frequency: 125Khz
Each token pre-programmed with unique ID which is printed on it
Each comes with Key ring included
Compatible with all RFID reader to gain access
Card read distance: 0-15 centimetres
10 x RFID Number 3 shape Keys
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