ITEM NAME:Hi-link HLK-PM03 220V to 3.3V Step Down Isolated Power Supply Module Px Description HLK-PM03 AC-DC 220V to 3.3Visolating switch power supply module/ step-down module 1. Product features: 1. Meet UL, CE requirements, 2. Ultra-thin, ultra-small 3. All voltage input (AC: 90 ~ 264V) 4. Low ripple and low noise 5. Output overload and short circuit protection 6. High efficiency, high power density 7. The product is designed to meet the requirements of EMC and Safety Test 8. Low power consumption, environmental protection, no-load loss