It is a Power Supply Module/5-Way Buck Voltage Regulator Module with 5V USB Output, Input Voltage: USB 5V, or DC 6.0 ~ 9.0V, Output Voltage: 5-way output,DC 1.2V,1.8V,2.5V,3.3V,5V, Suitable for Charger, Voltage Regulator,electronic equipment, industrial equipment,LED drive etc