This project combined a projector with a 60" 4:3 Smart-Film multi-touch screen panel. User can take advantage of the dual touch function for zooming and other orders.This creative solution can also be used as a white board, suitable for professional and education purposes. Opaque (Voltage OFF) state if Smart-Film. Transparent (Voltage ON) state of Smart-Film. Image can still be displayed on the film clearly which in some applications one can experience hologram effect.