Supports full range of STM32 SWD interface debugging with a simple interface including power supply, 4-speed stable operation; interface definition shell allows direct accessno need to read instructions. Supports automatic firmware upgrade. Devices come pre-upgraded to the latest firmware version V2 J17 S4. Includes 5V power output, which can supply power to the I/O port, protecting against damage from incorrect connections compared to ST-LINK V2. Features easy-to-use pure copper-plated 2.54mm pitch headers with 20cm cable, enabling flexible connection across different board layouts. Housed in durable aluminum alloy USB drive-style case for easy carrying, 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 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, color selection not available Material: plastic + metal Package Contents: 1 x Voltage Regulator (note: random color, color selection not available) 1 x Cable Only the items listed above are included; other accessories are not included. Note: Lighting and display differences may cause slight color variations between the image and actual product. Measurement error allowance is +/- 1-3 cm.