Contour Roller Mouse Pro        (keyboard not included)

This roller bar provides single finger point and click functionality.  It has an adjustable click force on the roller bar (5 levels of tension) by using simple knob under RollerMouse. (Rollerbar click function can be disabled using dip switch if user prefers using buttons).
It has a smooth sliding steel rollerbar coated with soft rubber for excellent feel and cursor control. Long lasting - Optical sensor reads bar movement using the latest technology.  5 User definable buttons and a scroll wheel.  Buttons configurable for click, Double-Click and Draglock via dip switches or software (depends on  version) PC and Mac compatible (USB device with PS2 adaptor included). Soft but firm lycra wrist rest support.  Removable for easy cleaning.
20-78"wide x 11-3/8" deep x 1-1/4" High (all measurements from maximum locations)