1.USB Universal Smart Card Reader can be used for CAC, Government ID National ID AKO, OWA DKO, JKOetc, etc. 2. No need for drivers, no settings, automatic identification, super compatibility 3. The ABS material shell of the contact smart card reader can prevent high temperature and wear without blocking adjacent ports, saving more space for nearby USB devices 4. Small and portable unique design, the card reader can be unfolded and closed to save your space 5. Smart card reader universal compatibility for Windows (32/64 bit) XP/Vista/7/8/8. 1/10/Mac Os/Linux Name: Smart CAC Card Reader Model: SCR816 Interface: USB Installation method: external Operating System Requirements: Windows 7 Style: ins style Interface type: USB Type: Smart Card Reader Applicable objects: general purpose Colour:black Material:ABS Size: 7 x 4.5 x 5cm Package Contents: 5 x USB card reader 5 x Chinese and English manual Only the above package content, other products are not included. 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.