5A 4V-38V to 1.25V-36V DC-DC DC to DC Voltage Regulator Buck Converter Step Down Power Supply Buck Module 24V 12V 9V 5V Adjustable for Car Vehicle Industrial Equipment Notebook Mobile Phone 5A 4V-38V to 1.25V-36V DC-DC DC to DC Voltage Regulator Buck Converter Step Down Power Supply Buck Module 24V 12V 9V 5V Adjustable for Car&nbsp;Vehicle Industrial Equipment Notebook Mobile Phone Application: The DC to DC buck module applys to the input voltage is higher than the output voltage of the buck field, such as battery, power transformer, DIY adjustable regulated power supply, 24V Vehicle, notebook power supply, industrial equipment buck. 12V buck to 3.3V, 12V buck to 5V,&nbsp; 24V buck to 5V, 24V buck to 12V, 36V buck to 24V, etc. Specifications: Module name: 5A DC to DC module