Visioneer RoadWarrior Lite CIS Sheetfed Portable Scanner – Windows Only Light Source: LED (light emitting diode) instant on Scanning Speed: 11 sec/page - Letter/A4 8.5 × 11 Max. Document Size: Maximum Paper Size: 8.5 x 32 in Minimum Paper Size: 1.5 x 1.5 in Media Type: Paper, plastic ID cards, phot USB Ports: USB 2.0 (USB 1.1 compatible) Operating Systems Supported: Supported Operating Systems (OneTouch 4): Windows 8, 7, Vista, XP (SP2) Dimensions: 11.40 x 2.20 x 1.50 Weight: 0.84 lb.