智能板（多媒体教学）

Power（AC） 220V 
liquid crystal display TFT-LCD 
screen Dimension 22 inch 
Display width 16:09 
Effective display area(mm) 1018.08x572.67 
Resolution 1920 X 1080 
Brightness 500cd/m2 
Contrast 208.3340278 
Chromatic number 16.7M (8bit) 
Response Time 5.5ms 
Angle H：178°  V：178° 
CPU Intel Atom D525 dual core processor，CPU:1.8GHz 
Mains frequency 　 1.8G 
memory 2G 
hard disk 320G 
Graphics 256M 
network card RJ45 Support Fast Network， 
Mouse、keyboard Wireless mouse, keyboard 
Sound card Speak out，MIC-IN interface 
USB Interface 4 
Touch Screen Type Infrared touch technology 
resolution 4096X4096 
Cursor speed 120 Points / sec 
Response Time 8~16ms 
Positioning accuracy 1mm 
Minimum diameter of touch >5mm