Features: Security: its protocol is not publicly available and cannot be characterized. No need to install a driver. Each box has IP, port, and hardware encoding. Strong stability: no white screen restart when used like serial communication. Fast speed: the communication speed of the 100M network is 100 times that of the B board (compared to 115200 baud rate). The number of calls per second is close to 1000. Originally, Board B only made 300 calls per second. Calling too fast cause a white screen restart. Automatic default manual trajectory without keyboard and mouse data abnormalities, please refer to kmNet_ mouse_ move_ auto function. Strong universality: no need to adapt to a mouse. The Device side supports modifying all USB parameters and network updates. Everyone has different eigenvalues, which realized true one person one firmware mode. Friendly UI mode. It's easy to see where the problem is. Super simple operation. Supports all functions of the B board except for onboard scripts. Support monitoring of physical keyboard and mouse. Block physical keyboard and mouse functions. Easy to write software. Material: plastic colour: parent Package Contents: 1 x controller 2 x Cable (Cable are sent randomly, Cannot be specific, does not affect use) 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.