membrane switch 1-durable, good click-feeling 2-passed ISO9001,ROHS ... life expectancy of different types of membrane switch is more than 100 million times. 6. Easy to operate, intuitive, safe ... 284g (2-10 Oz), tactile type 170-397g (6-14 Oz) Switch stroke: flat type 0.1-0.5mm, tactile ... type 0.6-1.5mm 3. Environmental parameters Operating Temperature: ...