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) Size: as required2) Thickness: 0.8-1.5 ... membrane switches:1) Life Expectancy: 1,000,000 actuations per switch position2) Actuation Force: 6~24 ounces (170~680g), Range ... 24 hours at 80°C and 90%RH. Poly Dome Mylar Membrane Switch