If you read the fine print on the back of a light-bulb package, you might even find an estimated color temperature denoted in degrees Kelvin. Most commercial lighting falls between about 2000K and ...

The TRADFRI LED E14 806 lumen bulb provides both dimmable white and coloured lighting, and has a 25,000 day life expectancy. In the UK, it's priced at £11, and an E27 version is also available ...

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