A switch mouse is a device which emulates a conventional mouse with one ore two switches that move the mouse pointer horizontally, vertically, and in some models, diagonally. It also emulates the functions of the conventional mouse buttons (depending on the model: dragging the mouse; left, middle, right and double click). In case of only having one button, the device should have a scanning system to choose the action that the mouse should do.

Switch mouse

Switch mouse icon

A switch mouse is a device which emulates a conventional mouse with one ore two switches that move the mouse pointer horizontally, vertically, and in some models, diagonally. It also emulates the functions of the conventional mouse buttons (depending on the model: dragging the mouse; left, middle, right and double click). In case of only having one button, the device should have a scanning system to choose the action that the mouse should do.

Source: AT Observatory