The Hitachi Interactive Whiteboards include the latest touch screen technology that allows users to interactive with either their finger or wireless pen. They are Wi-Fi ready, and are compatible with a computer or a projector. The larger whiteboards allow for multiple users to interact simultaneously. These interactive whiteboards come in a variety of sizes from small 17" and 19" interactive panels, to large-scale 63", 77" or 88" presentation boards perfect for a classroom or lecture hall.