ITEM NAME:HLK-PM01 AC-DC 220v to 5v step-down power supply module Gw Feature: 1. Super thin,super small 2. The Full Voltage Input (90 ~ 264 Vac) 3. Low ripple and low noise, high efficiency and power density 4. Output overload short circuit protection function Package contentsï ¼Å¡ AC-DC 220V to 5V Step-Down Power Supply Module x 1.Output overload short circuit protection function. Low ripple and low noise, high efficiency and power density.