The Brother DS-940DW duplex wireless mobile document scanner offers easy, fast wireless document digitization. Scan two-sided, color and black and white materials up to 16 ppm in a single pass. The DS-940DW scans a variety of documents up to 72 inches long and handles business and plastic ID cards. Scan-to multiple destinations including File, Image, OCR, Email, Network, cloud services, Mobile Devices and a micro SD card. Scan directly to mobile devices with the Brother free iPrint&Scan for mobile app. Scan Size (W x H): 8.5 x 72; Color Bit Depth: 16-bit; Grayscale Bit Depth: 16-bit; Connector/Port/Interface: USB 3.0; Wireless (802.11b/g/n).