... wave(SAW) touch screen, Infrared(IR) Touch Screen, Multi touch IR touch screen, five-resistive touch screen, touch ... Cabinet: Steel cabinet sprayed metallic paint,moisture-proof,anti-rust,anti-acid,anti-dust. Optional Accessory:1.Camera/webcam2.Metal Keyboard3 ... enclosure, the outer surface of metal baking varnish, anti-magnetic, anti-staticColorAdvanced metal paint, silver gray + black Divisions, ...