White patches on camera at night when the LED is on

Hi all, I have some dahua cameras. In low lighting the LED is on as I don’t think they have infrared? Anyhow, during the daytime the image is crystal clear and at night when the LED is on there are white splodges/patches. If I turn the LED off they disappear. Any suggestions as to what it may be. They are quite high up and I would need to call someone out to get them down or have a look so was wondering if anyone had come across something similar.

Thanks

submitted by /u/Glittering-Grape-985
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June 28, 2023
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