The Canon CanoScan LiDE 400 is a sleek, high-resolution flatbed scanner designed for efficient scanning of photos and documents. Here’s a concise overview of its key specifications: 
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Scanning Features
• Scanner Type: Flatbed
• Sensor Type: CIS (Contact Image Sensor)
• Light Source: 3-color (RGB) LED
• Optical Resolution: 4800 × 4800 dpi
• Selectable Resolution: 25 – 19,200 dpi
• Maximum Document Size: A4 / Letter (216 × 297 mm)
• Scan Speed:
• A4 color at 300 dpi: Approx. 8 seconds
• 4” × 6” photo at 300 dpi: Approx. 4 seconds
• Preview: Approx. 7 seconds