Panasonic KX-BP0385 is a set of four dry erase markers that enhance the interactive experience. They are compatible with the UB-8325 and KP-BP800 interactive whiteboards. You can write on the board using the dry erase marker or place it inside the electronic pen holder to function it as a mouse and be able to control the computer’s applications. You can open and save documents, and even make notes. The set of four markers include a Red, Blue, Green, and Black marker.