Automatically scans up to 25 ppm color & black-and-white documents in a single pass over Wi-Fi or through a local USB connection. The ADS-1250w handles plastic cards through its dedicated card slot, as well as receipts & photos, all in a compact, portable design. Scan Size (W x H): 8.5" x 34"; Color Bit Depth: 24-bit; Grayscale Bit Depth: 8-bit; Connector / Port / Interface: USB 3.0; Wireless (802.11b / g / n).