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Ultra efficient Philips lighting
Inside a new Philips ultra-efficient LED lamp (with schematic)
The Best Energy-Efficient Light Bulbs - Picks from Bob Vila
Am I the only one here who prefers the light from incandescent bulbs. LED lights look too bright and remind me of hospital lights. Incandescent light give that warm yellow color that
Philips Produces a Super-Efficient LED - GreenBuildingAdvisor
Do smart light bulbs use more energy than regular bulbs? - Quora
LEDs From Dubai: The Royal Lights You Can't Buy
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White Dial LED (light emitting diode) A19 tunable white light bulb features five different shades of warm to cool white light to help you get the right color temperature in your home with less guesswork. Simply rotate the base dial to choose your right shade of white. Get the look and feel of traditional glass incandescent bulbs with the energy-efficient performance of LED. Enjoy the energy-savings of LEDs without sacrificing light quality.
Philips Ultra Definition LED 60-Watt A19 Light Bulb, Frosted Daylight, Dimmable, E26 Base (4-Pack)
Why do some LED bulbs burn out after just a few months when they supposed to last a decade or more? - Quora
electrical - LED Light bulbs burning out much sooner than expected - Home Improvement Stack Exchange