... keyboard,keypad,keyboard) Supply all different kinds of keyboard membrane switch Construction:(1) Overlay (UV window) + circuit + LED + metal done array ... Celsius Life expectancy: 500,000 to 30,000,000 cycles Switch stroke: 0.1 to 0.6mm Contact bounce: 5 to ... humidity: up to 95% RH Female, male connector, solder pins and heat seal connectors are availableLanguage Option Switch membrane circuit