Software Features: 1. Smooth writing without any breakpoint or sharp curve (Even when you draw randomly and fast with the mouse); 2. Fast erasion without any trace of marks (Even when you draw randomly and fast with the mouse); 3. Smooth running of the computer and software with CPU occupation percentage less than 15%; 4. Unique teaching mode synchronizing the traditional functions of blackboard; design mode, annotation mode, screen mode to satisfy diversified demands; 5. Extraordinarily powerful PPT import and export function without changing the format of the original file; Hardware Features: 1. Special board surface ink pen markable, scratch resistant, meanwhile, ensuring no glare area; 2. Enabling any opaque object to write on the board; 3. Convenient intelligent pens and easy-to-reach intelligent pen tray holder (Optional); 4. Module design of key electronic components (Easy maintenance); 5. Customerized icons on the screen toolbars for convenient operation