Zaikai Document Camera (Visualizer) is a portable and foldable document imaging solution designed for smart classrooms, training rooms, presentations, and remote learning. It features an 8 MP CMOS sensor, Full HD 1920 × 1080 resolution, 5× optical or 20× digital zoom, A3-size document capture, and 30 fps Full HD video for clear and smooth demonstrations. The visualizer includes integrated adjustable illumination, autofocus, image freeze, rotation, annotation, brightness/contrast adjustment, and snapshot functions. Its software supports image capture, video recording, OCR, and multi-page scanning, while USB 2.0/3.0 and HDMI connectivity enables integration with Interactive Flat Panels, OPS PCs, and Windows systems.