1.3V 0.1A with USB wall plug 2.UL,SAA,CSA,BEAB,PSE,GS,CE,CB,FCC, ... -Tick, 3.Two-year warranty at least 3V 0.1A with USB wall plugCertification CCC,UL,SAA,CSA,BEAB,PSE,GS ... load 25°Cl Insulation resistance , 500Vdc 100MΩ min between AC plug and DC plug and case.