ITEM NAME:5A DC-DC XL4005 adjustable step-down module 5-32V high power 96% efficiencyJ Gw.This product is a 180 KHz fixed frequency PWM buck (step-down) DC/DC module,capable of driving a 5A load with high efficiency, low ripple and excellent line and load regulation. Module highlights:5A high power high efficiency and low ripple with power indicator !