... 5. Dual power supply mode Mobile Document Scanner with Docking Station * Dual Scan Mode: Automatically Sheetfed Scanning and Manually Sliding ... Scanning* Detachable handy scanner with docking station* "Paper Guide" design for letter, A4, A5, 5R, ... Weight(without battery):Handy scanner: 258*35*22mm / 154gDocking station: 280*80*58mm / 310g Accessories:User's manual, USB ...