Size
35.3mmx28x6.4mm ,and can be changed
Color
red,yellow ,blue,blank etc.
Chip
Icode 2,TK28,F08 or customized
Feature
laser number or logo
Application
Access Control System or another
Customization Options
QR Code,number,logoEtc
Item name
Factory outlet em4100 125 khz rfid hotel key fob