... ,terminals,led ,green mask tail,3M468 back adhesive etc.Membrane switch advantages:1. Beautiful appearance, rich and bright in colo, design ... are lowest ,the life expectancy of different types of membrane switch is more than 100 million times.6.Easy to operate ... :57-284g,tactile type:170-397gSwitch strokeFlat type:0.1-0.5mm:tactile type:0.6-1.5mm3.Environmental parametersOperating Temperature-40 degree ...