Touch screen monitors have superior image clarity, enhanced sensitivity; and are contamination resistant. Touch screen monitors have a transparent pressure sensitive membrane overlay capable of detecting your touch for mouse cursor movement, clicking, double clicking and dragging. Your finger or a stylus becomes the mouse control. These touch screen monitors have software menus that make work easy. You can track and control your entire operation with one of these systems. They come in both Serial ports for PC or USB for PC or MAC. Touch screen monitors allow you to directly interact with objects on the screen, click, double click, click and drag, and they are easier to use than a mouse.