Supports the full range of STM32 SWD interface debugging, simple interface (including power supply), 4-line speed, stable work; Interface definition shell directly addresses No need to read instructions Supports automatic firmware upgrade. When they leave, the firmware has been upgraded to the latest V2. J17. S4. Increase 5v output, the output can be the I/O port, not afraid of damage to ST-LINK V2 Simple interface to pure copper plating 2.54 split horn, with 20cm line, can handle various card line sequences, flexible connection; U disk aluminum alloy shell to the motherboard, convenient to carry, not afraid of static, not afraid of tumbling. Supports all series STM8 SWIM download debugging (common development environment such as IAR, STVD etc.) is supported. Supported software version is as follows: ST-LINK Utility 2.0 and later STVD 2 and later STVP 3.2.3 and later IAR EWARM V6.20 and later IAR EWSTM8 V1.30 and later KEIL RVMDK V4.21 and later Color: Random colors, do not accept the specified color Material: Plastic + Metal Package Contents: 1 * Voltage Regulator (Note: random color, do not accept the specified color) 1 * Wire Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement allowed error is +/- 1-3cm.