... PC:when use USB Flash Driver;9.Operate Convenient:11 membrane buttons + 2.4 inch touch screen;10.High Quality ... reflect film, fluorescent film, abrasive blasting material, lacquer protective membrane, and blasting protective rubber that thickness is 1mm.Larger Format ... ,4MB high speed CACHEControl panelLarge touching screen and 11 Membrane Buttons plus 3.0 LCD touching screenDriverleading shaft, high ...