This is a terrible description. Light bulbs don’t produce voltage.
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Maybe it’s a magical lightbulb?
If so, I’ll take 100,000 of them please.
Good catch darellg !. It does not show whether it produces AC or DC voltage 
My hopes and dreams of free energy have been dashed! Why SparkFun, why?
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That pesky physics thing strikes again.
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Yea some other folks noticed too lol
Still only $0.95 though!
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The new product post news page still has a ridiculous (and my guess, AI-generated) description that claims the socket produces power. It’s even worse than the product page so I’m posting it here again just for posterity (and giggles):
This unique component features a compact E10 mini bulb holder pre-fitted with a bulb, making it ready for immediate use in various low-power applications. Engineered for efficiency, it reliably delivers 1.5 volts of electricity. With a current output of 0.3 amps, this setup is ideal for small-scale electrical projects requiring minimal power.
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The marketing folks and engineering folks need to communicate better.
Received the weekly Sparkfun mail today with the same text 
This unique component features a compact E10 mini bulb holder pre-fitted with a bulb, making it ready for immediate use in various low-power applications. Engineered for efficiency, it reliably delivers 1.5 volts of electricity. With a current output of 0.3 amps, this setup is ideal for small-scale electrical projects requiring minimal power.
Marketing indeed needs more attention…
Not currently :-/
Any diode is a FED given the correct operational conditions. Usually exactly one time though.
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