... L2 cache 250cd/m2 brightness Material:Aluminium magnesium alloy(Better than Aluminium) Resistive Touch screen 6*COM(2*RS232/422/485), 1*PS ... /2, 1*VGA, 1*LPT, 4*USB, 2*GLAN, 1 ... ), 1*PS/2, 1*VGA, 1*LPT, 4*USB, 2*GLAN, 1*Audio Rear PictureDimension Diagram 19" all in one PC with touch screen