Specification:

Module properties: non-isolated step-down module ( BUCK )
Rectification: non-synchronous rectifier
Input voltage: DC 4V ~ 38V
Output voltage: DC 1.25V ~ 32V ( adjustable )
Output current: 0A ~ 5A
Output power: 75W ( more than 50W please add heat sink )
Operating Frequency: 180KHz
Operating Temperature: -40C ~ +85C
Load regulation: S(I)0.8%
Voltage regulation: S(u)0.8%

Package included:

10 x 5A DC-DC adjustable step down module