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