LED lights soldered on a flexible circuit with membrane switch assembly as a whole. Under LED line and separate the different membrane switch circuit layer, structured, large LED quantity, using Everlight Everlight SMD 0805 LED, button and LED window blistering. The products are mainly used for industrial control equipment function keyboard, feel good, powerful. Based on customer needs to design key content, color, effects, panels with F200 frosted PET, attractive appearance. The main function of the printed wiring, resistance, long life. Haven This product can be welded various colors according to the customer LED lights, functionality is strong. In addition, this product has waterproof ring structure, using 3M9495LE tape, waterproof effect is prominent, suitable for use on the air humidity of the environment.