... back-lighted, hard/epoxy coating keypads8, Keypad surface with transparent spraying coating, PU coating9, Smooth and hard touch ... , Increase readability in badly lit area15, Sprayed with color inks and laser etched to cut legend for ... sizes21, Available in epoxy coating or spray-painted with colored keys upon request22, Backed by 10 years ... .Such as:TV Remote ControProduct function membrane switch keypad