LM-501L S/2 / USB Computer 1600DPI Laser Mouse Available in Various Colors Key Specifications/Special Features: Innovative horizontal and vertical scroll modes, programming the context menus, as you like. Button wheel can be used for double clicks and universal scrolling Control software works with Windows 95/98/NT/2000 Various colors and designs are available Laser design 1600DPI Mouse size: 94 x 53.5 x 39mm