1.resistive type 4 wire touch panel with High transmittance 2.High sensitivity 3.High stability 4.High durability 4wire touch screen, 4wire touch panel, touch screen, touch panelSurface Hardness 3HOptical Clarity 80 ... <95%Isolation Resistance 20MΩ↑ DC25VSealable against dust ,water, oil , static resistive touch panel controller