12*12 illumianted tact switch B3F-9100 1 brightness 2.RoHS 3.LED: ... hole 12*12 illuminated tactile switch ,pushubutton switch ,led switch ,Tactile switch with LED ,Bi-color LED tactile switch :Specification for TSL12121: TSL12122,(Transparent button ... ,red ,white ,yellow)3. mounting : through hole 4.Alternative for B3F -91005.Application including home appliance ,Telecommunication ,Instrumential ...