This is a Portable Program Transfer Device that transfers CNC machine programs from a standard USB flash drive (Thumb Drive, Pen Drive, memory stick?) to or from the CNC control through the RS232 communications port, also referred to as Drip feed DNC or Up-Loading Down-Loading. Extension of file name supports: *.?NC, *.TXT,*.NC, *tap Replace PC running a DNC software 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 device 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 Shipping: we usually use FEDEX shipping service. and will provide tracking number for the order.