Important notice, please read before purchasing. Kmbox Net Network version keyboard and mouse controller Net board advantages: 1. High speed call. Does not occupy USB keyboard and mouse data bandwidth 2. Ultra high response speed. 1000 calls per second without pressure. 3. Real time controllable hardware. Meet timing requirements for applications. 4. Strong stability. No downtime. Do not restart. 5. No need to adapt keyboard and mouse. Strong universality. 6. Support software calls. Provide source code. C++/Python/E, etc 7. It can monitor the physical keyboard and mouse status. No need to call system . 8. Built in hardware curve correction. Avoiding keyboard and mouse data anomalies Color: As Shown Material: plastic Package Contents: 1 * Controller 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.