Features Voltage Conversion: This Usb Power Supply Module Can Convert Dc3.5 to 12v Voltage to Dc1.2 To 24v, with Strong Practicability. Usb Connection: Simply Plug In Usb Or Micro Usb to Output Voltage, This Power Supply Module Is Very Convenient to Use, Plug And Play. Precise Interface: The Precise Cut And Interface of This Module Ensure Perfect Applicability, Suitable for Installation in Replacement Positions. Reliable Material: The Usb Power Module Is Made of Premium Material, Effectively Avoiding Corrosion And Wear, Safe And Stable. 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 Input Voltage: 3.5-12V Output Voltage: 1.2-24V Output Power: Output Voltage x Output Current Package List: 1 x USB Power Supply Module Note: This product is not a high power power supply, please use it within the power range. Package List 1 x USB Power Supply Module