... Magnetic Card switch Insert key for power switch, key switch,hotel card switch,energy-saving switch, keylock switch Hotel Magnetic Card switchkey switch, hotel card switch, energy-saving switch, inserting card switch, keylock switch, power switch, wall switchmagnetic key ... design. Bipolar design. Technical parametersVoltage: AC220±10%(50HZ/60HZ);Self power: 1W; Delay time: on-off type, without ...