This sleek bar turns your old laptop into a touchscreen. Now you can add touchscreen capabilities to your busted and non touch screen laptop. AirBar is an external device that attaches to the bottom of your laptop screen. With it, you can pinch, swipe, zoom and scroll on your standard PC laptop. AirBar uses an invisible light field to detect when you touch your screen. When your finger break the light, It translate the movement into a gesture your computer can understand. The manufacturers say it will work with fingers, gloves, paintbrushes or ant stylus. You can even use it to draw. AirBar plugs into your computer’s USB port. It available for screens with 13″ to 15″ wide.