Features: - Adjustable pressure sensitivity (1024 levels) offers natural response and feel like a regular pen or paintbrush. - Tip pressure response changes line width, color density and opacity. - Ultimate MSN handwriting tool; writing, highlighting and drawing in MSN Messenger, Internet communication and chat. - Ultimate mouse replacement does everything a mouse can do and even more. - Great handwriting input device for Office XP/2003 (Handwriting Recognition, Handwritten Form & Drawing Pad). - The natural tool for drawing, writing, and signing. - Retouching or modifying photos or images taken from digital cameras or scanners. - Naturally and easily draw, write, sign, trace pictures, clip arts, retouch photos, animate and design web. - Natural electronic eraser by pressing the barrel button; use the pen tip to erase (Mac). - Perfect for all ages and applications. - Customizable pen buttons to invoke frequently-used commands. - 3-button cordless pen. - Active area: 3" x 2.25 inches - Resolution: 2540LPI ; Accuracy: +/-0.01" - Plug & play, USB device System Requirements -> PC: Personal Computer, Windows 2000/XP, USB port, CD-ROM Drive -> Macintosh:iMac or Power Macintosh, Mac OS 8.6 or later, USB port, CD-ROM Driver