Extra Large USB wired works on all computers just plug it in and get basic mouse functions, simply tap for left mouse click, right click tap in upper right corner, scroll up and down by dragging up and down on right edge, glide extend for unlimited drag-n-drop (BONUS to Pre 2024 PC users download software for Multi touch gestures and more) So secure and stable it has been tested and used by US Military for use on submarines. It comes with a special Velcro backing = peel off the foam pad used for setting it on a table and it can be easily mounted for any situation with the included velcro sticker making it a favorite of restaurant kitchens and workshops. Size Length: 3.8 In x 3 in or 96 mm x 78 mm Comes with a 6-ft. USB cable. Download the free easy to use software for all Pre 2024 Windows PCs to get programmable and multi touch options (PLEASE NOTE THAT 2 FINGER SCROLLING AND PANNING IS USUALLY NOT AS ACCURATE OR FAST AS DRAGGING UP AND DOWN ON THE SIDE OF THE TOUCHPAD OR SIDE TO SIDE ON THE BOTTOM WITH ONE FINGER) Multi-Finger Gestures like rotate, zooming, 2 finger right click, and 3 finger flick, Gestures that can be programmed to actually open up shortcuts or programs, assign the upper right tap zone to one of 42 different functions like middle click, cut, paste or enter. Eight different scrolling options, pointer speed and acceleration to make your cursor fly! TouchGuard gives you added security by Blocking accidental tapping and motion while typing, and Ignore large objects brushing the touchpad. Rotate the touchpad 90, 180 or 279 degrees (although scroll zones do not move) so you can use it sideways or upside down, Plug n Play works on all computers PC, Mac, Apple, Linux, All Brands even some tablets, just plug it in and get basic mouse functions and glide extend for unlimited drag-n-drop. Industry standard since 2005 ask us about custom options and custom overlays. Has helped many people with tendinitis or R.S.I. repetitive stress injury Use it along with a