... quality large selection fullfil your different request Touch screen features: Optional size:15" 17" 19" 22" ... etc Touch screen:SAW or infared touchscreen or resistive touchscreen. Surface ... etc Aspect ratio: 4:3/16:9For 15,17inch screen, Max resolution:1280x1024,Brightness: 260cd/m2 ,Contrast: ... , free of charge Cabinet: Steel cabinet sprayed metallic paint or plastic-spray,1.5-2.0MM ...