NanoLight
Pushing 1600+ lumens, this unique heat-sink-free LED bulb is claimed to be as bright as a 100-watt incandescent bulb while using only 12 watts of power. Also available in a 10W/75W equivalent.
Crowdfunded projects pose a degree of risk for buyers, so be sure to do your research and fully read the seller's detailed description and production plans before plunking down your hard-earned money.
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