this post was submitted on 23 Jun 2024
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The modern "bulb" in a 150-year-old lighthouse. (files.catbox.moe)
submitted 4 months ago by Blaze@reddthat.com to c/interestingasfuck@lemm.ee
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Technical details: https://www.sealite.com/lighthouse-led-lights/

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[–] Glowstick@lemmy.world 7 points 4 months ago* (last edited 4 months ago)

Um, what?

EDIT

Their website says it's suitable for fixed placement or rotation.

https://www.sealite.com/lighthouse-led-lights/

EDIT 2

Oh maybe this is what you meant, quote from the website:

Directional setup of LEDs for additional power saving by not shining light over land where not required