The PPMT Model - Plug-n-Play Multi Touch Screen is a perfect solution for everyone. No driver installation, no calibration needed. The OPTIR Touch - based on the advanced solid state optical infrared technology which offers maximum clarity and superior durability. There are different models tailored to the requirements for different applications. By using OPTIR touch you can convert standard monitor, TV display, video wall, laptop PC, projection screen, whiteboard or whitewall into touch interactive device - run any mouse-driven program on your computer.