energy saving key card switch for hotel

energy saving key card switch for hotelTechnical parameters:Color:WhiteWorking voltageAC220V,AC110V,DC12V,DC24VMaximum load current30AMaterialFireproof PC materialApply arrangeElectric circuitry of hotel,house and office building etc.Yearly fault rate≤2%Size86mmX86mmX44mmWeight120.4gFeatures:1.Postpone time :12SEC(can be customized according to different needs of customer)2.Recognition:Can read magnetic card;Other method or damaged magnetic cards can't get power.3.Material