3v 2a Power supply 1.CCC,UL,SAA,CSA,BEAB,PSE,GS,CE,CB,FCC,BSMI,C-Tick, ... . 2.Two-year warranty. 3v 2a Power supplyCertification ROHS ,UL,SAA,CSA,BEAB,PSE,GS,CE,CB,FCC,BSMI,C-Tick ... 25°Cl Insulation resistance 500Vdc 100MΩmin between AC plug and DC plug and case.Packingone pcs in a bag film,100pcs ...