This adjustable step-down module is perfect for those who need to convert DC to DC with an INOUT voltage range of 4.5V to 28V. It can handle a maximum current of 3A and has output voltage ratings of 3V, 5V, 12V, and 24V. This type of voltage regulator is a step-down (buck) voltage regulator manufactured in China under the brand TZT. Designed for use with switch and sensor for Arduino STM, this regulator is ideal for power regulators & converters, semiconductors & actives, electronic components & semiconductors, electrical equipment & supplies and business & industrial applications. With its excellent performance, it is a must-have tool for any electronics hobbyist or professional.