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 ... frequency 47~63HzFYxxxyyy3.0v-5.0v0A-1.2Amax60mv<5%<1%±5%FYxxxyyy5.1v-6v0A-1.17Amax60 mv<5%<1%±5%FYxxxyyy6.1v-7.5v0A ... ~90%RHl Leakage current , 0.25mA maxl Withstanding voltage, 3000Vac 1 minute 10mA maxl Burn-in 100% full load,40±5 ...