Features Main Function: for Daplink Pro Downloader Is Based on Open Source Project Porting. Fast Burning Speed without Losing Firmware. Capable of Debugging And Burning Most for Arm Cotex M Core Microcontrollers. Multi Functional: Supports Swd Interface, Supports Mainstream Software Debugging And Program Download. Support for Cotex Most Chips in The M Core Series. Point Out That Dragging And Downloading Firmware from A Usb Drive Is Convenient And Fast. Easy Installation: Comes with A Small Size And A Light Weight As Well, This Debugger Can Be Easily Installed And Put into Use Soon. Abs, Pcb Material: Made of Premium Abs, Pcb Material, This Debugger Is Strong And Sturdy, Wear Resistant And Impact Resistant, Ensures A Long Service Life. Ideal Replacement: Wonderful Replacement for The Old And Damaged Parts, Fine Workmanship, Attention to Details, Helps You Improve The Working Efficiency Specification: Item Type: STM32 Debugger Material: ABS, PCB Input Voltage: 5V (USB plug in) Output Voltage: 5V, 3.5V Package List: 1 x STM32 Debugger Package List 1 x STM32 Debugger