Supports full range of STM32 SWD interface debugging with a simple interface including power supply, 4-speed operation, and stable performance. Interface shell has clear pin definitions for easy use—no need to read instructions. Supports automatic firmware upgrade. Devices come pre-upgraded to the latest firmware version V2 J17 S4. Features a 5V power output that can supply the I/O port, helping prevent damage from incorrect connections compared to ST-LINK V2. Equipped with easy-to-use 2.54mm pitch pure copper-plated headers and a 20 cm cable, enabling flexible connections across different board layouts. Housed in an aluminum alloy USB drive-style case for the mainboard, making it portable, static-resistant, and durable against drops. 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 (specific color requests cannot be accommodated). Material: Plastic + metal. Package Contents: 1 x Voltage Regulator (note: random color, specific color not guaranteed), 1 x Cable. Only the items listed above are included; all other accessories are not included. Note: Lighting and display differences may cause slight variations in color between the image and actual item. Measurement tolerance is +/- 1-3 cm.