Wacom Intuos4 Medium Model PTK-640

The Wacom Intuos4 Medium (Model PTK-640) is a professional-grade pen graphics tablet featuring an 8 x 5-inch active drawing area and 2,048 levels of pressure sensitivity.  Key Specifications:  Surface Area: 8 x 5 inches (22.4 x 14 cm)  Pressure Sensitivity: 2,048 levels on the pen tip and eraser  Resolution: 5080 LPI (Lines Per Inch)  Connectivity: Wired USB (with a mini-USB port on the side)  Controls: Eight customizable ExpressKeys with illuminated OLED displays and a multi-function Touch Ring  Orientation: Ambidextrous design (can be rotated for left- or right-handed use)  OLED Displays: Shows custom labels next to each ExpressKey to indicate assigned keyboard shortcuts or modifier functions.  Touch Ring: Can be toggled to control up to four different functions per application, such as zooming, brush sizing, or canvas rotation.  Durability: Built with a textured plastic surface that offers tactile resistance mimicking traditional paper media.  Includes tablet, pen, pen nibs, pen holder, and USB connector cable.  Does not include box, instructions, mouse, or CDs.  Works great.  Some light pen scratches on drawing area.