As a type of human-machine interface, a custom Membrane Switch mean customized control panel graphic overlay to decorate the switch and PCB, the exterior casing/housing, the LED lights, backlighting, waterproofing, LCD screens, Touch Screens Panel, and more.

Membrane switches are widely used in the industrial, medical, and consumer goods industries. Membrane Switch has many advantages such as simple construction-thin of about 0.005 to 0.040 inches (0.127 to 1.03 mm), reliability, resistance to harmful elements, and low cost. Membrane switch touch keyboards typically have three to six layers depending on the design, even applying the conductive and graphic inks and installing other components such as the metallic domes and EMF screens, the final total thickness is still only a fraction of an inch.