... , Sealed tact switch, water-proof, dust-proof, patent IC Card Connector, Smart card connectorModel: KF013MF1) Contact number: 8 pin2) Dimension: 662.2x40x7 ... , dust-proof6) Patent of switch design, switch part gold plating: 15 microinch 7) With flat cable, cable length can be decided ... by customers 8) Material of base: PC9) Card detective switch: normally open or close (optional)