Visioneer Strobe 500. Maximum scan size: 216 x 356 mm, Scanner type: Sheet-fed, Optical scanning resolution: 600 x 600 DPI. Maximum scan area (ADF): 216 x 356 mm, Minimum scan area (ADF): 89 x 56 mm. Standard interfaces: USB 2.0. Bundled software: Visioneer OneTouch; Nuance PaperPort; Nuance OmniPage; Adobe Reader; NewSoft Presto! BizCard;, Scan drivers: TWAIN, WIA. Width: 297 mm, Depth: 71 mm, Height: 84 mm