... 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 ... . Technical parametersVoltage: AC220±10%(50HZ/60HZ);Self power: 1W; Delay time: on-off type, without delayOperating temperature: -20~50 degree CelsiusShape ...