1.portable 3D High speed Scanner 2.1 second to scan 3.OCR fuction, image format: ... ,A4,A5... Introduction of CH500-A3 CH500-A3 high-speed scanner is a kind of product with file image taken fast ... appearancePortable telescopic foldingScan typeDocument, receipt, I.D. card, note, picture, photo, magazine, book, three-dimensional object and so onShot sizeA3,A4 ...