Giwnhvx CNC Router Machine Control,Offline GRBL Control Module with TFT Touch Screen,for CNC 3018/3020/3040Pro/4540,for Cutting Wood Cutting Machine 3018 CNC 1Set

[Compatibility]Compatible with 3018, 3018 Max, 3020 Plus and 4540 series CNC engraving machines. [WIFI TRANSFER & SD CARD]Files can be transferred from computer to offline handheld controller via SD or Wifi network. [TFT Touch Screen]Compared with LCD screen, TFT touch screen has the advantages of high responsiveness, brightness and contrast, making the display effect close to that of a CRT monitor. [Advanced Usage]User-defined keys can be defined by NC files, such as tool setting commands and return to commands. [Convenient]This offline control can reduce the load on the computer for long-term engraving.