1.3V 0.1A with USB wall plug 2.UL,SAA,CSA,BEAB,PSE,GS,CE,CB, ... 3.Two-year warranty at least 3V 0.1A with USB wall plugCertification CCC,UL,SAA,CSA,BEAB,PSE,GS,CE ... /EMI filterl You can choose the output voltage/current arbitrarily.l Widely used in the electronic digital / communication / security / lighting / medical ... 25°Cl Insulation resistance , 500Vdc 100MΩ min between AC plug and DC plug and case.