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This USB DC-DC buck boost converter supports 3.5V-12V wide input and provides continuously adjustable output from 1.2V to 24V. It can easily convert 5V power to 3.3V, 9V, 12V, 18V, 24V and other required voltages, realizing both step-up and step-down voltage regulation. Adopted with high-performance chip and premium components, this voltage regulator module features high conversion efficiency, stable operation and excellent heat dissipation. Lightweight and portable, it is perfect for electronic DIY projects, laboratory power testing, small household appliances, equipment power modification and low-voltage device power supply.