Visioneer Strobe XP 220. Maximum scan size: 210 x 297 mm, Scanner type: Sheet-fed, Input colour depth: 24 bit. Standard interfaces: USB 2.0. Bundled software: -Visioneer OneTouch with Kofax VRS Technology -Nuance PaperPort -Nuance OmniPage Pro. Weight: 0.58 g. Minimum system requirements: CD/DVD-ROM, Minimum hard disk space: 350 MB, Minimum RAM: 512 MB