This is the portable, cordless handheld scanner that preserves your important documents and images onto a microSD memory card for later retrieval on your computer. As you move the scanner over an area as large as 8 1/2" H x 50" L (length of scan is based on standard resolution), its sensitive color image sensor scans at high (600 dpi) or standard (300 dpi) resolution.Images are saved as JPEG files stored on an inserted microSD card. A scan of a passport takes only five seconds. You can then download your images to your computer using the included USB cable. Its built-in display shows the selected resolution, remaining battery life, and memory status. Two included AA batteries provide up to 180 scans.Supports microSD cards up to 32 GB. Unit is compatible with Mac or Windows 7, Vista and XP.