1.portable 3D High speed Scanner 2.1 second to scan 3.OCR fuction, image format:JPEG,PDF... 4.USB power ... ParametersProduct modelCH500-A3Product appearancePortable telescopic foldingScan typeDocument, receipt, I.D. card, note, picture, photo, magazine, book, three-dimensional object and ... so onShot sizeA3,A4, A5, A6, A7, business card, I.D. cardScanning rateComplete in about one secondOCR recognition ...