8 Pieces 5A DC-DC Adjustable Buck Converter Step-Down Voltage Regulator Power Module 4V - 38V to 1.25V - 36V

8 Pieces 5A DC-DC adjustable buck converter step-down voltage regulator power module 4V - 38V to 1.25V - 36V Feature: Universal applications: These step-down voltage regulator power modules work for step-down field where the input voltage is higher than the output voltage, like battery, power transformer, diy adjustable regulated power supplies, 24V car pen style power supplies, industrial equipment step-down, 12V to 3.3V, 12V to 5V, 24V to 5V, 24V to 12V, 36V to 24V and more. Easy to install: You can use 2 pieces of 3 mm screws and adopt the welding wiring method to install these modules. Specification: Size: approx. 5.4 x 2.3 x 1.8 cm/ 2.13 x 0.91 x 0.71 inches Color: as pictures shown Quantity: 8 pieces Package content: 8 x 5A DC-DC adjustable buck converter Note: If you found that the output voltage of the module cannot be adjusted and it's always equal to the input voltage, please turn the potentiometer counterclockwise more than 10 turns and use the module to adjust the voltage normally. The original output voltage is around 20V. Small items, please keep away from kids. Manual measurement, please allow slight errors on size. The colors may exist slight difference due to different screens.