LED lights soldered on a flexible circuit with membrane switch assembly as a whole. 0603 using Everlight Everlight SMD LED, LED line and the next line separated in different layers separate, well-structured, large LED number buttons and LED window blistering. This product is used in industrial investment charter function keyboard, feel good, stable and reliable performance. F150 Shamian panel with Autotype PET, 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. In addition, the product includes an electrostatic shielding layer, so good antistatic effect of the product.