... dome keypad 4 RoHS&ISO9001:2008& ISO14001:2004 tactile control panel switch Electronic characteristicsCircuit rating35V(DC),100mA,1 WContact resistance10Ω ... C - +85°CHumidity40°C,90%-95%,240 hours membrane switch advantages:AppearanceBeautiful, bright in colorDesignSmall size / light weight / ... safe / reliable / Installation and connection convenience. pass ceertification Tactile Control Panel Switch