Wolverine SNAP20 20 Megapixels 35mm Slides Negatives and Photo to Digital Image Converter, Red Converts 35mm Slides, Negatives and Photos into digital images with just a push of a button.External Memory: SD or SDHC card, up to 32GB (stores 400 images per 1GB) 20 Megapixels Digital Image Output (5472x3648 pixels) Extremely fast, takes less than 5 seconds to convert an image Unique stand-alone operation, no computer or software required All Mac and PC Compatible (plug and play, no drivers or software required)