The QOLTEC 50190 electronic part is a 17W switched-mode power supply with 5VDC, 3.4A output. It features a USB and USB-C output for powering multiple types of devices. The components are assembled with high-quality materials such as a high-density electrolytic capacitor, anodized aluminum heat sink, ferrite filter, and high-temperature insulation tape. This is to ensure the highest level of protection against overload, overheating, short-circuiting and other faults. The parts are also safety certified for CE, EMC, LVD, and RoHS.