12v 2a 12v 1a 5v 1a ac/dc power adapter meet UL,CSA,CE,TUV,GS,BS,SAA,PSE,EK,FCC ,Brazil, EMC, LVD.CB,IV,EU interchangeable adapter Description of productsElectrical characteristicsFrequency50/60HZ(47/63HZ)Output power 10WOutput voltage3-24VOutput current0.1-1.5ALine regulation±2%Load rang±5%Dielectric Strength testAC..