Built-in infrared channel can detect dust and scratches on the surface of the original negatives and slides. It is highly useful for defect removal without retouching the images.7200 x 7200 dpi (69 Megapixels) for 35mm Negative film and mounted slides. 48-bit input, 24/48-bit output Up to 3.6 Dynamic Range Enhanced Multi-Exposure Function for improved image quality 64-bit hardware and software support Powerful software include - bundles with Plustek QuickScan and LaserSoft Imaging Silverfast SE Plus 8 . Support Windows 7/ 8/ 10 and Mac OS 10.7 ~ 10.15 , user can download driver from Plustek website.