... Material: Matte PET, spacer, ZIF connector, red leds, metal domes, green mask tail, 3M467 back ahesive Tactile membrane switch ... lifespan, membrane switchs design and manufacture are using the keyboard as a whole way, whether on the material or ... keys can make different shapesTactile membrane switch embossed leds and metal domes Performance indicators: 1. Electronic characteristics Circuit rating: 35V ...