The VuPoint Magic InstaScan Portable Smart Scanner is a compact and portable scanner that runs on 4 AA batteries. It can store memory up to 32GB and has a maximum resolution of 600-900 DPI. This scanner is ideal for scanning A4-sized papers and offers a scanning resolution range of 300-900 DPI. With its contact image sensor technology and USB connectivity, this scanner from the Viewpoint product line is a versatile and convenient solution for digitizing documents on the go.