They have small consumption and strong interference resistance.<br> It can read card bi-directionally, has intelligent lights to alert if card data is read correctly.<br> Exquisite magnetic installation structure makes card reading more stable and , which is our patented technology.<br> This product is very small and compact.<br> <br> MSR90 is a USB emulation keyboard interface does not need any driver or software.<br> It can work on , Word, Excel, or any keyboard type.<br> MSR90 is hand swipe operated magnetic card reading machine with USB interface,<br> adopting high integrated magnetic card decoding chip.<br> Colour:black<br> Material:Metal<br> <br> Package Contents:<br> 1 x Reader<br> <br> Only the above package content, other products are not included.<br> Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.