Special Features:

Item is a two button mouse with scrol wheel that provides the speed and accuracy of optical tracking in a simple, elegant deisgn; records motion precisely on a variety of surfaces using the latest optical sensing technolgy; has no ball or moving parts; contoured shape fits either hand; product description hp ps/2 2-button optical scroll mouse; weight 4.4 oz; connectivity technology wired - ps/2; movement detection technology optical; buttons 3; movemnet resolution 400 dpi; cables included 1 x mouse cable 0 integrated - 6 ft; os required microsoft windows 2000, microsoft windows millennium edition, microsoft windows xp

Properties:

A pointing device, which when moved in any direction on a flat surface, generates a signal to move a cursor and/or tracking symbol on a display device. it may include buttons or wheels that allow the user to select operations and manipulate text and graphics. includes spherical, optical, wireless mouses and the like. excludes trackball, data entry; and joystick, data entry. see also controller, data entry, automatic data processing.