... OMRON, SANYO and other international well-known enterprises. Membrane Switch Performance: CertificationISO9001:2008, ISO14001:2008& RoHS.Components:LED, ... - +85°CHumidity40°C,90%-95%,240 hours Membrane Switch advantages: AppearanceBeautiful, bright in color DesignSmall size, light ... tested.Life expectancyHigh lifespan, different types of membrane switch is more than 1 million times. OperationEasy to ...