This is a portable program transfer device that transfers CNC machine programs from a standard USB flash drive (USB pen, pen drive, memory stick?) to or from CNC control through the RS232 communication port, also called Drip feed DNC or Up-Loading Down-Loading. File name extension supports: *.?NC, *.TXT,*.NC, *touch Replace the PC running DNC software function 3D program simulation Copy programs from PC to DNC 2 over wifi network, or via USB memory card Run the program or send a notification to DNC 2 from your computer via WIFI network Create or edit programs directly on DNC devices program size of % or G CODE LINE Nxxxx transfer the program to the memory of the CNC machine transmit DNC drip program (works in TAPE mode) receive program or PC / PARAMETER from CNC machine with 2-4GB internal memory, support for large capacity USB player features RS232 DP9 communication port There are 3 magnets mounted on the back of the device that make it easy to put DNC on CNC machines LCD COL 3 INH The product has two colors, BLACK And RED. have the same function. We will choose random color. Or you can message me what color you want to send. PACKAGE INCLUDES 1DNC + 1 CABLE + 1 ADAPTER NOTE: You can power the DNC ONE via RS232 CABLE, PIN 25 = 24V. . If on pin 25 of the RS232 on the CNC machine with power (24V DC) you cannot use the 12V DC adapter