... , ideal for rugged applications --Parallax-free performance for LCD displays --Sealable against contaminants --Operable in various light ... is that of glass, Mohs\' hardness rating of 7OpticalGlass:Without glass, 4mm glare, AG (anti-glare), or AR ... 4-2,1995 :Level 4)ControllerIntegration inside touch panelAgency ApprovalsCE, FCC, RohsOperating SystemOperation System Linux/ Dos / Windows 7/XP//Mac OS 2,4 ...