... Panton and Ral color matching system ,using advanced light box and computer color mataching,we can also ... are Rohns compliant 3.Our engineer will work with customers and reommend specail constrution design to meet ... of assembly,such as membrane switch and touch screen with FPC, PCB ,silicone rubber ,metal backer , ... ~200Hz,Mil-SLD-202,M204.Condition B) Push Button Membrane Switch with Gradient color