ITEM NAME:1Pc 10A DC-DC Step Down Regulator Module 48V 36V 24V to 19V 12V 9V 5V 3Vly.This is a DC-DC step down converter module that convert 6.5V-48V to 1.25-30V, maximum current is 10A. Load Capacity: 10A(Max). Module: 75 21 16mm / 2.95 0.82 0.63". Output: 1.25V-30V(adjustable).