The VuPoint Magic InstaScan Portable Smart Scanner is a compact and portable scanner that operates on 4 AA batteries, making it convenient for on-the-go scanning. With a maximum resolution of 600-900 DPI and a scanning resolution ranging from 300-900 DPI, this scanner provides high-quality scanned documents. It supports paper sizes up to A4 (210 x 297 mm) and uses a Contact Image Sensor (CIS) for accurate scanning. With USB 1.0/1.1 connectivity, this scanner is easy to use and suitable for various scanning needs. Perfect for home or office use, this scanner from VuPoint is a reliable and efficient tool for digitizing your documents.