Application:Home Appliances,Communication equipment,computer keyboard Keypad Button Material:PET,PC,Silicone,Acrylic Design:CAD/AI/CDR format Certification:ROHS,REACH,CE,IS Test:100%QC Material:PET,PC,Silicone,Acryliy Color:According to pantone color number Back-adhesive:3M467,3M468,or others Factory Experience:16 years customized factory. LED lights soldered on a flexible circuit with membrane switch assembly as a whole. Under LED line and separate the different membrane switch circuit layer, structured, large LED quantity,