... touch screen, touch screen panel 1.vandalproof 2.CE, FCC,RoHs 3.surface acoustic wave technology 4.fast, senstive ... panel,touch overlay:Green Touch main produce saw (Surface Acoustic Wave )touch screen panel, IR(Infrared) touch screen ... designed for outdoor and industrial control applications. TechnologySurface Acoustic Wave(SAW)Resolution4096*4096MaterialPure glassGlass thickness3mm,4mm,6mmDeviation ...