... that carries metal dome contacts. Metal dome switch, mobile phone switch, EMI metal dome. Product Introduction:1 Metal ... and the user. Compared to the membrane polyester switch which was formerly used, it gives good click- ... Others: Entertainment, Office, Security systems, Industrial, Telecom Handheld instruments. Parameter: ItemParameterLife1000000 cyclesScope of Force160gf180 gf250 gfClick Ratio50 ...