Supports full range of STM32 SWD interface debugging with a simple interface including power supply, 4-speed operation, and stable performance. Interface definition shell allows direct access—no need to read instructions. Supports automatic firmware upgrade. Devices come pre-upgraded to the latest firmware version V2 J17 S4. Includes 5V power output that can supply I/O ports, protecting against damage from incorrect connections. Features easy-to-use 2.54mm pitch pure copper-plated header with 20cm cable for flexible connection across different boards. Housed in durable aluminum alloy USB-like case for mainboard protection, portable, resistant to static electricity and impact. Supports all series of STM8 SWIM download and debugging functions, compatible with common development environments such as IAR, STVD, etc. Supported 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 Color: Random color shipped, color selection not available Material: Plastic + metal Package Contents: 1 x Voltage Regulator (note: random color, color selection not available) 1 x Wire Only the above items included; other accessories not included Note: Lighting and display differences may cause slight color variation between images and actual product. Measurement tolerance: +/- 1-3 cm.