... type 4 Bulit-in LED type 5 shielded wiring and felxible circuits type 6 printed circuit board type 7 ... discolored pattern membrane switchFeatures:1) Light weight,compact structure,good-looking apperance ,and long service life.2) Outstanding damp- ... condition,dishwashers,microwave ovens),office equipment,electronic scales,telecommunications equipment and systems.we do service forSIEMENS, SANYO, LG, A ...