... ,terminals,led ,green mask tail,3M468 back adhesive etc.Membrane switch advantages:1. Beautiful appearance, rich and bright in colo, design ... .4. Foreign contaminant resistant for a moisture-proof, dust proof, waterproof, anti-oil and anti-corrosion product. As well it is ... are lowest ,the life expectancy of different types of membrane switch is more than 100 million times.6.Easy to operate ...