... screen for flat LCD,4mm clear glass,transducer bevel mounted,water-proof type. Technology: Surface Acoustic WaveSize: 17inch, 4:3 (from ... 7"-47"are available)Feature: Anti-water, (anti-glare,anti-dust,vandal-proof and standard are available ... )Frame: Plastic frameResolution: 4096×4096,Z axis 256,irrelevant with the size of the touch panelMaterial ...