Welcome to our store. Our products have affordable prices and good quality. We support dropshipping and wholesale . If you want to work with us for a long time, please contact us and we will give you a very favorable price.Best Regards! [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 scan the card.2. The software will scan 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 start 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 meters length USB transmission line connected to the device, respond immediately, no need to install a driver, quickly read the card number. Hardware Interface:USB Compatible Devices: Personal Computer color:Black Material:ABS Package Contents: 1 x Card reader 1 x USB cable 3 x IC card 3 x UID key fob Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.