Supports full range STM32 SWD interface debugging, interface includes power supply, 4 speed Interface definition shell directly address Supports automatic firmware upgrade. Firmware has been upgraded to the latest V2.J17.S4 before delivery. Equipped with 5V power output, the output can pass through the I/O port, avoids damage to ST-LINK V2 caused by errors Interface uses pure copper plated 2.54 spacing header, comes with 20cm wire, adapts to different board sequence, realizes flexible connection Mainboard is covered with U disk aluminum alloy shell, prevents static electricity, prevents damage from dropping Supports STM8 SWIM download and debugging for all series, compatible with common development environments such as IAR, STVD etc. Supported software versions are as follows: 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 colors, specified color not accepted Material: plastic + metal Package Contents: 1 * Voltage Regulator (random color, specified color not accepted) 1 * wire