19" touch screen pc all in one Material:Aluminum,steel 4wires/5 wires resistives 1G RAM( ... (optional)Aluminum bezel,motherboard with fan,good coolingpolishing, sand blasting, wire drawing, electrophoresis, spraying, oxidation, screen printing,Oxidation wiredrawing processing. ... of Lcd panelLcd panel:19" 4:3 digital panel Resolution:1280*1024 Contrast:800:1 Brightness:400 cd/m2 Touch screen:4- ...