Photographic imaging of night surveillance video I want to know how the monitoring effect of multi-lamp infrared monitor is, and whether people's faces and clothing details can be seen clearly.

Multi-burner infrared monitoring cameras all change from color to black. At night, the infrared light turns on automatically, and the camera video changes from color to black and white. There are also good, medium and poor cameras of this kind. For cameras above the average level, people can still see people's faces and clothing styles 5 or 6 meters in front of the camera (because it is a black-and-white image, there is no color distinction), while infrared illumination is invisible to people (that is, people see dark areas with their eyes, but the camera can see the scenery through infrared illumination), so it is widely used in the monitoring field.