SolidTek DM-L2 8.5 x 11 Active Area USB Digimemo L2 Digital Notepad Tablet Dimensions: 0.47 x 9.88 x 13.22 (H x W x D) System Requirements: Operating System: Windows 7, Vista or XP Mac OS X v10.5.x or later Equipment: Available USB port, CD-ROM drive Hard Disk Space: 32 MB Package Contents: Portable Digital Pad Digital Inking Pen (DigiPen P100) Letter Size Notepad (already held on the digital pad) Two Replacement Ink Cartridges (already stored in the digital pad) One Plastic Pen Tip (already stored in the digital pad) USB Cable Four Batteries (1.5 volt, size AAA) One 1.55V Button Cell Battery User Guide Software CD (including 30-day free trial of Handwriting Recognition Software) Parts: 1 year limited Labor: 1 year limited Electrical Outlet Plug Type: See Details