Poly dome membrane 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) 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 ...