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 Ok)<br> This Product Is Not Suitable For Bank Cards! !<br> Cannot Write Electronic Label Stickers And Electronic Label Cards( 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:black<br> Material:plastics<br> style: With 5XUID keychain<br> How to read and write normal RFID cards?<br> 1. the "on/off " button.<br> 2. Put the cards on the back of the copier. The copier be show the " page. "ok"<br> 3. Put the cards on the back side of the copier and "scan"<br> 4. The copier scan and show the card number.<br> Due to different batches, there may be differences in product appearance and printed text, which 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.