hotel smart card energy saving switch

hotel smart card energy saving switchTechnical parameters:ColorWhiteWorking voltageAC220V,AC110V,DC12V,DC24VMaximum load current30AMaterialFireproof PC materialApply arrangeElectric circuitry of hotel,house and office building etc.Yearly fault rate≤2%Size86mmX86mmX44mmWeight143.2gFeatures:1.Postpone time :12SEC(can be customized according to different needs of customer)2.Recognition:Can read Siemens 4442 chip;Other method or damaged 4442 cards can't get power.3.Material:Fire