... (Max 150 inch) Features:CalibrationAutomatic positioningLarge SizeSupport projection screen of any size up to an amazing 150 ... whiteboard, wall, soft screen, LCD TV,rear projection TV , flog screen and so on........and they ... Any LCD TV= Interactive whiteboardOur device+Projector+computer+ soft projection screen= Interactive whiteboardSpec: Excellent function ! Portable interactive whiteboard ...