... laser etching, back-lighted, hard/epoxy coating keypads8, Keypad surface with transparent spraying coating, PU coating9, Smooth and hard touch feeling10 ... graphic contrast14, Increase readability in badly lit area15, Sprayed with color inks and laser etched to cut legend for a ... different sizes21, Available in epoxy coating or spray-painted with colored keys upon request22, Backed by 10 years of ...