19" touch screen pc all in one Material:Aluminum, ... )Aluminum bezel,motherboard with fan,good coolingpolishing, sand blasting, wire drawing, electrophoresis, spraying, oxidation, screen printing,Oxidation wiredrawing ... *1024 Contrast:800:1 Brightness:400 cd/m2 Touch screen:4-wire resistive usb2.0 (can be build ... 5-wire,SAW touch or IR touch)Parameters of the motherboardCpu:dual core AMD- ...