Usage Tips:CNC controllerA11S/A11E parts,for CNC router/ CNC Engraver,50pin data communication cable(only cable). New three-axis linkage motion mode to achieve comprehensive controlling. Support drive and spindle error alarm function. Large storage space, perfect U disk compatibility, fast reading speed, safe and reliable U disk-processing. Support intelligent file checking function. Parameter backup and restore function to prevent the loss of important parameters. High anti-jamming intensity passes many CE tests. Intelligent processing memory, supports power fail safeguard and breakpoint function. Definable I/O interfaces provide customers a wide range of development platforms. Stable output Using excellent copper fiber core, stable output, energy saving and power saving. 50-pin data cable. Using 50-pin data cable, the output effect is stable. The interface adopts a buckle interface, which can effectively prevent it from falling off. Note:Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Photo Color Material:plastic Package Contents: 1 x controller Cable (4M) 1 x Button Film Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.