> Support for multiple languages ；
> Supports adaptive 4-in-1 input(TVIAHD CVI CVBS)；
> Supports N/P adaptive switchover ；
> Support day and night double filter, support warm light full color ；
> Supports UTC and coaxial upgrade ；
> Support adjustment of brightness, contrast, sharpness and saturation (some DVR S support
adaptive 3D noise reduction);
> Lightning protection design, OSP oxidation resistance, independent 38*38/32*32