... , OMRON, SANYO and other international well-known enterprises. Membrane Switch Performance: CertificationISO9001:2008, ISO14001:2008& RoHS.Components:LED, metal ... °C,90%-95%,240 hours Membrane Switch advantages: AppearanceBeautiful, bright in color DesignSmall size, light weight, thin thickness, various types ... question, welcome to contact us. Non-tactile Membrane Switch Plate for Sewing Machinery