NEOiD PTZ NDI 20X Manual Del Operador página 90

Low Light
The application of 2D and 3D noise reduction algorithm greatly
reduces image noise. Even under the condition of ultra-low
illumination, it still keep the picture clean and clear, and the SNR of
image is as high as 55dB.
Remote Control
Through the RS232 and RS485 serial ports, the camera can be
controlled remotely.