Supports full range of STM32 SWD interface debugging with a simple interface including power supply, 4-line speed, and stable operation; interface definition is clearly marked—no need to read instructions. Supports automatic firmware upgrade. Devices are shipped with the latest firmware V2 J17 S4 already installed. Includes 5V power output with I/O port protection, preventing damage from incorrect connections. Equipped with easy-to-use pure copper-plated 2.54mm pitch header and a 20cm cable, allowing flexible connection for different target board layouts. Features aluminum alloy USB cover to protect the mainboard, making it durable, portable, and resistant to static and impact. Supports all series of STM8 SWIM download and debugging functions, compatible with common development environments such as IAR, STVD, and others. Supported software versions include: 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 Color: random color, no color selection available Material: plastic + metal Package Contents: 1 x Voltage Regulator (note: random color, no color selection available) 1 x Cable Only the items listed are included; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3 cm.