... :JPEG,PDF... 4.USB power cable 5.A3,A4,A5... Introduction of CH500-A3 CH500-A3 high-speed scanner is a kind of ... high resolution pixel designed for shooting various paper documents with A3, A4, A5…. and objective articles. High definition file image shows ... traditional one; portable for mobile office.2. available for scanning A3 file in one second, improving the efficiency, reducing the office ...