[Working frequency] 125KHz / 13.56 MHz, support IC / ID dual frequency replication, support NFC tags.[Read and write ordinary 125KHz RFID card]1. Place the card on the card reader and press Read EMID on the software to the card.2. The software will and display the card number.3. Place a writable 125KHz writable chip on the card reader, and press Write EMID on the software.[Read and write 13.56MHz IC, IC semi-encryption card, IC full encryption card]1. Place the card on the card reader, press Read on the software to decryption.2. indicates successful decryption, and X indicates failure. 3. After the decryption is successful, the software displays the card number. 4. Put a writable 13.56MHz writable chip on the card reader, and press Write Type-A on the software.[Efficient high-speed USB] 1.2 length USB transmission line connected to the device, respond immediately, no need to install a driver, quickly read the card number.Hardware Interface:USBCompatible Devices: Personal Computercolor:Black:ABSPackage Contents:1 x Card reader1 x USB cable3 x IC card3 x UID key fobOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.