Supports full range of STM32 SWD interface debugging with a simple interface including power supply, 4-speed stable operation; interface definition shell allows direct addressing, no need to read instructions. Supports automatic firmware upgrade. Devices come pre-upgraded to the latest V2 J17 S4 firmware. Features 5V power output that can supply the I/O port, protecting against damage from incorrect connections. Equipped with easy-to-use pure copper-plated 2.54mm pitch headers and a 20cm cable for flexible connection across different board layouts. Housed in an aluminum alloy USB drive-style shell for durability, portability, and protection against 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 above items are included; other accessories are not included. Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement error allowed is +/- 1-3 cm.