| Product | AHD 4 in 1 Keyboard |
| Control way | RS485 |
| Power Supply | DC12V/2000MA |
| Operating Humidity | ≤90% Non Condensing |
| Interface | 1xRJ45 , 2xRS485 (reserved) , 1xDC12V power , 1xHDMI , 1xUSB |
| Baud Rate | 9600bps |
| Joystick | Vector variable speed joystick |
| OSD Menu | English |
| Operating Temperature | -20℃～+55℃ |
| Product size | 260mm*160mm*48mm |
