Card type: TM card
Communication Interface: standard computer USB keyboard port
Connection: one end of the USB cable to the computer’s USB port,you can work!
Description: This USB card reader is driven, meaning that users do not load any drivers on your computer to access the USB keyboard port card reader, card reader can work.
can read all the TM card which compatible DALLAS ibutton
1pcs TM card reader+5pcs TM1990A-F5 card
this item only can read the TM1990A,,if you need writer /programmer,please buy it in this link
Connect the computer,open a Text,it will show the card number when the TM card near the reader