... reliable; 2, three colors : Pink and Black Red .3, may want to choose desktop, or vertical; 4, touch screen touch screen using ... vents, heat evenly; 10, the front shell can lock the touch screen, simple installation, easy maintenance; 11, quality assurance and ... price.. Size: 17,19 inches 2. Type: infrared touch one machine 3. Transmittance: 92% 4. Against light resistance ...