Hi-link HLK-PM12 AC-DC 220V to 12V 3W Buck Step Down Power Supply Module Converter Intelligent Household Switch UL/CE HLK - PM12 Power Supply Module 220V To 12V 3W Step-Down Voltage Isolation Switch Power Supply Module Products Designed To Meet UL, CE Safety Certification Requirements. Safety And Electromagnetic Compatibility Designed With The Input Of 0.5A UL Certified Insurance