This type of membrane switch can be installed with LEDs inside. When the corresponding button is pressed, the LED will light up and be used only as the operating area of the switch. JRPanel uses Everlight's Everlight package as a 1206 SMD LED. The LED light is welded on the circuit under the membrane switch to assemble it as a whole. The LED light window is often bumped. This type of product is mainly used for the function keyboard of the industrial control equipment of the man-machine interface.