... may want to choose desktop, or vertical; 4, touch screen touch screen using infrared sensors; high-density infrared tubes, light stability, ... heat evenly; 10, the front shell can lock the touch screen, simple installation, easy maintenance; 11, quality assurance and price.. ... inches 2. Type: infrared touch one machine 3. Transmittance: 92% 4. Against light resistance: resistance to the whole point of ...