This gadget provides a solution for enabling touchscreen function in your laptop running Windows 8, an older version of Windows or Linux. You only need to attach the device on top of the screen, like a laptop web camera, and install the included software.
The included touch pen needs to be used to click on icons, draw, perform mouse functions, and even handwrite. The camera can be used also as a web cam for video chat.
The Touch Screen Camera For Laptop was designed to work on any laptop and you can buy it from Chinavasion for about $40.