The Promethean PRM-ACTIVWAND-UPG Interactive Pen is a cordless, battery-free pen incorporating side switch for left mouse click functionality. It allows for rollover (hover) on the ActivBoard and offers the same functionality as the ActivPen with 21 inches of reach, ensuring students of all sizes and abilities can experience the magic of interactive learning on the ActivBoard. It places inclusion within reach by putting a long, mouse-enabled pointer in the hands of those who need it most. The ActivWand 50 is compatible with the previous version of ActivBoard. It includes ActivInspire professional edition.