Touch Screen with Overlay EBG0.18 high quality Overlay 3M adhesive Touch Screen Size: 1.8", 2.1"~12.1", 15", 17", 19", 21" touch screen, customer size touch screen. 4 ... applications. Touch screen Specifications Touch Type: 4-Wire Resistive touch screen Screen Sizes: 1.8"-21" Diagonal Cable Interface: PC Serial/COM Port or USB Port Touch Resolution ...