LED light welding in membrane switch assembly as a whole on the circuit. 0805 using Everlight Everlight SMD LED, button and LED window blistering. The products are widely used in industrial control and home appliances function keyboard, feel good, stable and reliable performance. Autotype F150PET panel with screen printing, according to customer needs to design key content, color, effect, the appearance of fine, rich colors. Silver circuit as Acheson Acheson ED-820B printed circuit, resistance, long life. Haven This product can be welded various colors according to the customer LED lights, functionality is strong. This product has waterproof ring structure, using 3M9495LE tape, waterproof effect is prominent, suitable for use in a high humidity environment.