... switch 1)poly dome,tactile, glossy 2)water,dust,gas resistant 3)with clear window, with pin and connector ... Features of our poly dome membrane switch:1) Size: as required2) ... 1) Life Expectancy: 1,000,000 actuations per switch position2) Actuation Force: 6~24 ounces (170~ ... 680g), Range depending on customer specification.3) Switch Travel: .005" to .030" (0.1~0 ...