This is a portable program transmitter, which transfers CNC machine programs from a standard USB flash drive (Thumb Drive, Pen Drive, memory card - to) from CNC control via RS232 communication port, also known as DNC Drip load or Upload Download. Rename support file name: *.? NC, * .TXT, *. NC, * tap DNC ECO transmission is an economical solution with compact design but still provides full TRANSMISSION / RECEIVER features for CNC machines. You can view a wide range of products with the same program drip solution for CNC machines (DNC / TAPE mode) via our store link below. http://stores.ebay.com/dnccnc function 3D program simulation Copy programs from PC to DNC 2 via wifi network, or via USB memory card Run the program or send a notification to DNC 2 from the computer via WIFI network Create or edit programs directly on DNC devices cut program by% or G CODE LINE Nxxxx transfer program into CNC machine memory transmit DNC drip program (works in TAPE mode) receive program or PC / PARAMETER from CNC machine with 2-4GB internal memory, USB reader support with large capacity has RS232 DP9 communication port There are 3 rear mounted magnets of the device that make it easy to put DNC on CNC machines LCD COLOG 3 INH The product has two colors, BLACK and RED. they have the same function. We will choose random color. Or you can message me which color you want to ship. PACKAGE INCLUDES 1DNC + 1 CABLE + 1 ADAPTER NOTE: You can power the DNC ONE via CABLE RS232, PIN 25 = 24V . If on the 25 pin of RS232 on the CNC machine with power(24VDC) you can not use 12vdc adapter