... ,tactile, glossy 2)water,dust,gas resistant 3)with clear window, with pin and connector Features of our poly dome membrane switch:1 ... be installed or not. Also can provide the membrane switches with special requirements, such as Shielding, Windows/Lens Coating, Embossing, ... Performance of our membrane switches:1) Operating Voltage: 0~35 V DC.2) Operating Current: 100 MA Max.3) Operating Contact ...