0805 using Everlight Everlight SMD LED, LED lamp welding assembly on the lower membrane switch circuit as a whole, buttons and LED window blistering. This product is used in inkjet printer function keyboard, feel good, stable and reliable performance. F150 frosted panel with Ketu Tai PET, according to customer needs to design key content, color, effect, the appearance of fine, rich colors. Acheson Acheson Silver ED425A circuit to the printed circuit, 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.