Features 1、VOLTAGE CONVERSION: This USB power supply module can convert DC3.5 to 12V voltage to DC1.2 to 24V, with strong practicability. 2、USB CONNECTION: Simply plug in USB or Micro USB to output voltage, this power supply module is very convenient to use, plug and play. 3、PRECISE INTERFACE: The precise cut and interface of this module ensure perfect applicability, suitable for installation in replacement positions. 4、RELIABLE MATERIAL: The USB power module is made of premium material, effectively avoiding corrosion and wear, safe and stable. 5、WIDE USAGE: This DC to DC buck boost voltage regulation module is suitable for technical engineers to develop and debug instruments. Specification Item Type: USB Power Supply Module Material: PCB Package List 1 x USB Power Supply Module