BFB frequencies are all going to be above 41,000 Hz. Frequency (Hz) means how many times you’re going to see the light blink per second. Your eye can’t perceive a light flashing say 150,000 times per second. That’s why you think the light isn’t blinking.
For more details, please check this link:
https://www.facebook.com/groups/spooky2scalar/permalink/853203668586526/
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