>>82454195Nothing.
It's flickering because of a concept known as pulse width modulation. Basically to control LED brightness you have to change the voltage applied to them, and the easiest way to do this, since LEDs/computer circuits are digital with only on/off states, is to change the "average" voltage by turning it on and off at different (very high) frequencies so that it spends a greater or lesser amount of time "active" which our brain interprets as being more or less bright (since it's also flickering too fast for our brains to distinguish the individual blinks)
However, cameras record at framerates much lower than this, and the camera can synchronize with the "off" cycles of the lights where your brain can't do the work to smooth it out as a solid color. So instead you get that weird very fast blinking because the camera is outputting them at a rate that your brain can process it (probably like 30-60 fps only instead of thousands of times a second)
