whiteboard Features: - Infrared technology, firm structure, beautiful outlook - Precise position, smooth handwriting, strong ability anti-jamming - Intelligent postil, quick switch, power supplier via USB - Modularization design, convenient for maintenance - Great tool for teaching, speaking, multi-media network conference Specifications: - Size: 65", 80",97"optional - Writing tool: Electronic pen, finger or any lighttight - Cursor speed: 180 dot/ second - Resolution: 4096*4096 - Operating system: Windows 2000, XP - Accessories: Electronic pen, eraser, bracket for board, USB cable