Supports the full range of STM32 SWD interface debugging. Simple interface includes power supply for 4-wire high-speed, stable operation. Interface definition is directly on the shell for easy use without reading instructions. Supports automatic firmware upgrade. The firmware is upgraded to the latest V2.J17.S4 version. Features a 5V power output that protects the I/O ports to prevent damage from incorrect connections. Easy-to-use interface with gold-plated 2.54mm pitch headers. Includes a 20cm DuPont cable for flexible connection to different target board line sequences. An aluminum alloy shell protects the mainboard from static electricity and physical damage, making it convenient to carry. Supports all STM8 series SWIM download and debugging with common development environments including IAR, STVD, and others. Compatible software versions: ST-LINK Utility 2.0 and above STVD 2 and above STVP 3.2.3 and above IAR EWARM V6.20 and above IAR EWSTM8 V1.30 and above KEIL RVMDK V4.21 and above Condition: New Origin: China Package Contents: 1 x Programmer (random color) 1 x DuPont wire