1.membrane keypad 2.more than 10 years ... , all kinds of office automated machines, on/off switch, hand-held games, PCs, notebook computers, switches, ... etching, back-lighted, hard/epoxy coating keypads8, Keypad surface with transparent spraying coating, PU coating9, Smooth ... silicon rubber keypads23, Silicone Keypad is apply to Electronic Components.Such as:TV Remote ControProduct custom membrane keypad