Visioneer SXP3005D-WU. Maximum scan size: 215 x 279 mm, Scanner type: Sheet-fed, Input colour depth: 48 bit. Standard interfaces: USB 2.0. Bundled software: Nuance PaperPort. Nuance OmniPage Pro. ArcSoft PhotoImpression.. Weight: 0.59 kg. Minimum system requirements: Pentium II 300 equivalent or higher processor. 200 MB available Hard Disk Space. CD-ROM drive., Compatible operating systems: Windows 7, Vista, XP, 2000.