Casio Cassiopeia PV-S400Plus Pocket Viewer 4 gb PDA with scheduler, contacts, memos, and calculator and internet Copy, view, and edit Microsoft Excel documents 160 x 160 LCD display with backlight Works for 180 hours on 2 AAA batteries What's in the box: Cassiopeia PV-S400Plus, PC Synchronization Cradle, Hard Cover, Stylus, User manual