dc power supply 1.CCC,UL,SAA,CSA,BEAB,PSE,GS,CE,CB,FCC,BSMI,C-Tick, SAFETY Approvals. ... 2.Two-year warranty. dc power supplyCertification ROHS ,UL,SAA ... ,CSA,BEAB,PSE,GS,CE,CB,FCC,BSMI,C-Tick, SAFETYElectric ... resistance 500Vdc 100MΩmin between AC plug and DC plug and case. Packingone pcs in a bag ...