BenQ 5J.J0614.011 Point Draw Pen for the MP780 ST Projector takes interactive teaching to a whole new level by helping teachers get their point across in every subject with all new helpful technologies from BenQ. Anything like languages, arts, mathematics, or science, all they have to do is whip out their Point Draw pen to work their magic. It is paired with the BenQ MP780 ST Projector only, it is unlike any existing projection systems. This products offers interactive capabilities as an interactive whiteboard plus a projector system. It is also compatible with any computer operating system that supports a standard USB mouse, this innovative projection system requires no calibration between the projector and the projection screen.