With its 42-bit color capability, the Visioneer 4400 USB recognizes over 4.3 trillion different hues, capturing the finest nuance and detail from your images. Preserving and sharing treasured family photos digitally is quick and easy with the Visioneer 4400 USB scanner. The Visioneer4400 USB scanner easily scans a wide variety of documents - everything from photos, business cards and memos to bound documents such as books and magazines.