1.3V 0.1A with USB wall plug 2.UL,SAA,CSA,BEAB,PSE,GS,CE,CB,FCC, ... .Two-year warranty at least 3V 0.1A with USB wall plugCertification CCC,UL,SAA,CSA,BEAB,PSE,GS,CE,CB ... ,FCC,BSMI,C-Tick, SAFETYElectric performance l Output power(max) :0.3Wl Input voltage :90-264VACl Input current(max ... load 25°Cl Insulation resistance , 500Vdc 100MΩ min between AC plug and DC plug and case.