Button Membrane Switch Black 

Membrane switches generally consist of five layers. It includes membrane layer, graphic layer, tactile layer, rigid layer and static layer. The first layer contains the graphical interface for the user to control the machine. It can also include a flexible circuit for cheaper alternatives. The other layer will contain printed circuits that allow the signal to be transmitted. Membrane keypad Inks used for printing on circuits are generally composed of various metals. This helps the signal conduct the pushbutton switch. Membrane switches allow communication in electronic.  PRODUCT DISPLAY