Features: 1) Functions a) It is able to display whatever can be displayed on the computer screen through a projector b) Users can edit the program on the Panel Screen as what can be done with a mouse and keyboard c) Users can write and mark on the Panel Screen with fingers or panel markers in different colors d) All inputs can be saved in a dot format document for further operation e) All inputs can be transmitted to a remote Panel to display real-timely via internet 2) Applications a) The computer teaching and software training b) Lesson teaching c) Multi-media classroom d) Academic report and lecture e) Long distant teaching f) Network meeting g) Medical treatment consultation h) Conductor and correspondence i) Replace the common blackboard and whiteboard into each classroom 3) Specification a) Operation patter: Interactive pattern, written pattern b) Hardware requirement: minimum Pentium III 1000, 128Ram, 20mega-bytes hard drive space c) Operation system platform: Windows 98/Me/2000/XP d) Connection interface: RS-232C; e) Transmission speed: 38400bps f) Resolution: (X, P direction): >4000pixels g) Sensing display tolerance: h) Dimension: 112 inch (249 x 140 cm