Adesso NuScan1000U - USB Handheld Contact CCD Barcode Scanner Durable construction, manufactured from high quality ABS plastic ensures long service life 2048 pixel CCD with a 3.15-Inch (width) & 0.78-Inch (depth) scan field for quick, accurate reads Allows automatic recognition and decoding of the most popular barcodes Ease of Use over pen Scanning Windows 7/Vista/XP/2000 & Mac OS X