The SD Scan Card 3P (SDSC 3P) is the ideal solution for users who require high volume scanning in demanding conditions such as dim lighting or outdoors in bright sunlight. The compact form factor makes it convenient to carry, easy to handle and allows for a secure fit in the SDIO slot of a mobile computer. The smallest plug-in scanner with a powerful Class 2 Laser, the SDSC 3P capable of scanning through glass, reflective surfaces and Mylar with a one-handed operation. The SDSC 3P scans all popular linear bar code symbologies including hard-to-read and irregular size bar codes large or small into any mobile computer running Windows Mobile or Palm OS applications. The SDSC 3P is aggressive but easy to use, no special training required.