RFID Reader 125KHz 13.56MHz - ID IC UID Fob Copier, NFC Reader, Frequency RFID Card Duplicator - Encrypted Card Decoder - Rewritable Key Cards

This product has USB interface, you can use the USB line as a power line. Also requires AAA batteries, standard handset. How to read and write normal RFID cards? Press the button. Place the cards on the back of the copier and press scan.