Gaoke GK-880H/82S interactive digital whiteboard has 82 x 82 inch size, 1660 x 1165 mm active touch area, 4:3 aspect ratio, shortcut key / pen / finger pointer, 2-10 touch points, low reflection surface material, support mark pen, plug and play, supports Win8 / Win7 / Vista / XP / Mac OS and origin is Germany.