... .High reliability,long life,MTBF:100,000hrs(full load,25°C,Mil-HDBD-217F)5. certificates:CE,CB,UL,GS,SAA ... humidity: 5~95%RH10.withstanding voltage:AC 3000V(min),5mA(max)11.insulation resistance:DC 500V 100MΩ(min) universal switching power ... supply for electronics with 60Hz frequency,output 12w max and UL,FCC,ROHs marks