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. IDEAL REPLACEMENT: Wonderful replacement for the old and damaged parts, fine workmanship, attention to details, helps you improve the working efficiency! 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. EASY INSTALLATION: Comes with a small size and a light weight as well, this debugger can be easily installed and put into use soon. 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