... 1.Embossed metal domes 2.storage temperature:-40oC-+80oC 3.with transparent windows 4.Life :more than 5 million times ... ,terminals,led ,green mask tail,3M468 back adhesive etc.Membrane switch advantages:1. Beautiful appearance, rich and bright in colo, ... color, characters, logos and other panel contents.3. Small size, light weight, thin thickness, good tactility, abrasion, resistant, installation and ...