1. Digitizing Technolog It utilizes patentedáelectromagnetic digitizing technology which delivers high resolution, providing superior performance for file annotations and handwriting recognition, fast tracking speed and a hard, rigid construction for years of reliable use. 2.á Surface The whiteboard's workingásurfaceáproduces minimal glare when used in interactive mode with a projector, and is easy to clean when used in whiteboard mode with dry-erase markers á 3. Functionalities: Interactive whiteboard---when used with projector and PC Projection screen---when used with projector Electronic whiteboard---when used with PC Whiteboard---when used with regular dry-erase marker 92" 25kg 1884(W)*1392（H）mm