When the computer is connected, a disk is displayed with software on it(Do not put the battery in when connecting the computer, wait for the disk to respond, do not press ok)<br> This product is not suitable for bank cards! !<br> Cannot write electronic label stickers and electronic label cards(NTAG 213)<br> If the device cannot be connected, please do not put the battery when connecting to the computer<br> Working with 4*AAA battery, standard handset, easy to carry. (not included)<br> Comes decoding, direct preparation of various types of smart card access door.<br> Colour:Creamy white<br> Material:plastic<br> style:With 5xUID keychain + 5xCUID keychain<br> How to read and write normal RFID cards?<br> 1. Press the "on/off " button.<br> 2. Put the cards on the back of the copier. The copier will be show the "Waring" page. Press "ok"<br> 3. Put the cards on the back side of the copier and press "scan"<br> 4. The copier will scan and show the card number.<br> Due to different batches, there may be differences in product appearance and printed text, which will not affect use<br> Package Contents:<br> 1 * Smart Card Reader Kit(Accessories random color and appearance, don't accept the specified color and appearance)<br> Only the above package content, other products are not included.<br> Note: Light reflection 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.