Features: 1. Use the aluminum alloy U disk case to install the internal motherboard, which is convenient to carry, safe and reliable! 2, the interface definition is directly marked on the shell, at a glance, convenient and practical! 3, 5V, 3.3V are provided at the same time, which is convenient to connect 5V and 3.3V target boards. 4, the shell characters use laser laser, laser engraving, never fade off! Permanently clear! 5, the internal motherboard with 500MA self-recovery fuse, completely protect your expensive computer motherboard! 6, red and blue two-color LED indicator, convenient to observe the working status of -LINK V2 from time to time! 7, delivery line, so that you can easily deal with different target board line order! Description: 1. Support full series of STM32 SWD interface debugging, 4-wire interface is simple (including power supply), fast speed, stable operation; interface definition shell is directly marked! No need to flip through the instructions! 2, support a full range of STM8 SWIM download debugging (common development environment such as IAR, STVD, etc. are supported); supported software versions are as follows: 1LINK Utility2.0 and above 2 STVD 4.2.1 and above; 3 STVP 3.2.3 and above 4IAR EWARMV 6.20 and above; 5IAR EWSTM8V1.30 and above 6 KEIL RVMDK V4.21 and above 3, support firmware automatic upgrade, the firmware has been upgraded to the latest V2.J17.S4; 4, increase 5V power output, output I / O port are protected, not afraid of operational errors caused by LINK V2 damage! Colour: Random colors, no specified colors accepted Material: Aluminum Alloy Note:The model is -LINK V2, support automatic upgrade, support the download and debug of the full range of STM32 SWD and the full range of STM8 SWIM. Note: The printing/appearance from batch to batch, but it not affect the use Package Contents: 1 x -Link V2 1 x debugging line Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.