... hotel meeting, e-classroom, e-school, kiosk, shop window, advertisement, home TV, military etcTang Hftouch Multi touch screen ... 0mmCursor Speed 180 d/s aroundlifetime11years, above 60000000 single dot touchSurface DurabilitySurface durability is tempered glassFrame materials ... integrated aluminumPC port USB portControllerIntegration inside touch panel Large size LED IR multi touch screen smart white ...