Supports the full range of STM32 SWD interface debugging, simple interface (including power supply), 4 speeds, stable work; The interface definition shell needs direct address 't read instructions Supports the firmware upgrade automatically. When they leave, the firmware has been upgraded to the latest V2. J17. S4.Increase the 5v output power, the output can the I/O port, not afraid of error will cause damage to ST - LINK V2Easy interface to use pure copper plating 2.54 distance horn, with 20cm, can handle different circuit board sequences, flexible connection; Use U-disk aluminum alloy shell for the motherboard, convenient to carry, not afraid of static electricity, not afraid of tumbling. Supports all series STM8 SWIM download debugging (common development environment such as IAR, STVD, etc.) is supported. Support software version is as follows:ST - LINK Utility 2.0 and aboveSTVD 2 and aboveSTVP 3.2.3 and aboveIAR EWARM V6.20 and aboveIAR EWSTM8 V1.30 and aboveKEIL RVMDK V4.21 and aboveColor: random colors, 't accept the specified colorMaterial: plastic + metal Package contents: 1 * Voltage regulator (note: random color, 't accept the specified color) 1 * wire Only the above package contents, others are not included. Note: Light and different screens may cause the color of the item in the picture a little different from the real thing the thing. The permissible measurement error is +/- 1-3 cm.