The Interactivity Kit for S320 Projector from Dell™ is designed to help you engage and excite your students by bringing your lessons to life and introducing fun and interactivity into the classroom, and to help spark renewed interest and motivation in learning through the effectiveness of active learning by encouraging a high level of class participation. The Dell’s interactive projection solution allows you to interact with your content without the need foradditional external hardware and gadgets (e.g. interactive whiteboard), and includes an Interwrite workspace CD and its library of interactive lessons. The slim, rechargeable interactive pen works on virtually any surface, and allows you to move off the board for off-surface interactivity of up to 29.5 feet away. This product has been tested and validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system.