ST-LINK/V2 is an in-circuit debugger and programmer for the STM8 and STM32 Microcontrollersingle wire interface module (SWIM)ST-LINK V2 supports full range of debugging, using a simple 4-wire interface (including ).ST-LINK V2 comes in a very solid and high quality anodized aluminum shellSupport STM32 full range of SWD debugging interface, simple 4-wire interface (including supply), fast and stable; directly view the interface definition hosting No need to read the manual;Support Swim stm8 download full-scale debugging (support iar, stvd and other common development environments); supported software versions are as follows:Utility ST-LINK Utility 2.0 and 4.2.1 or laterSTVD and aboveSTVP 3.2.3 and aboveAir iar ewarm v6.20 and aboveAr iar ewstm8 v1.30 and aboveKekeil rvmdk v4.21 and aboveSupport firmware automatic to subsequent support for st products. The factory firmware has been updated to the latest v2.j17.s4;Increase the output 5v, the I/O output port is , not afraid of ST-LINK v2 damage caused by operation errors The easy-to-use interface copper-gold horn spacing is 2.54, with 20cm wire, the wire can correspond to different sequences, and the wiring is flexible;Colour:blueMaterial:abs+metalSize: 5 x 5 x 2cmPackage contents:2 x STLINK ST V2 USB Dongle Programmer2 x Debug Only the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.