19" touch screen pc all in one Material:Aluminum,steel ... sand blasting, wire drawing, electrophoresis, spraying, oxidation, screen printing,Oxidation wiredrawing processing.The motherboard AMD-E350 wich can ... pictures more clearly.Parameters of Lcd panelLcd panel:19" 4:3 digital panel Resolution:1280*1024 Contrast ... :800:1 Brightness:400 cd/m2 Touch screen:4-wire resistive usb2.0 (can be build ...