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Why some security cameras use white LEDs instead of 850nm IR LEDs?

Why some security cameras use white LEDs instead of 850nm IR LEDs?

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I've seen these two security cameras at a new building at Lilenblum street. They have white LEDs instead of the more common 850nm IR LEDs.
Why?

IMG_8574 resized.jpg IMG_8573 resized.jpg IMG_8524.JPG IMG_8520.JPG

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Filename:IMG_8524.JPG
Album name:dor123 / LED lighting (Except road lanterns), LEDs in general, lasers, flashlights and other lighting gadgets
Keywords:Miscellaneous
File Size:654 KB
Date added:Jun 06, 2019
Dimensions:2048 x 1536 pixels
Displayed:42 times
Date Time:2019:06:05 17:58:50
DateTime Original:2019:06:05 17:58:50
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Exposure Time:1/400 sec
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