Lighting Science GoodDay Energy-enhancing LED Light Bulb, 3-pack

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Special Features:

  • Promotes Alertness, Enhances Energy and Mood
  • 800 Lumens
  • cETL Listed
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The Lighting Science® patented GoodDay® energy-enhancing LED bulb promotes alertness and enhances mood and performance. Inspired by morning sunlight, it provides customized light energy to support the natural sleep-wake cycle. It’s Blue wavelength-enhanced for a natural way to feel energized, as if you were out in the morning sun. This technology was first developed in collaboration with NASA to support the circadian rhythms of astronauts on the International Space Station. The GoodDay has no side effects, like other stimulants may have, such as caffeine or energy drinks. It has an A19 form factor, making installation as easy as ‘changing a light bulb’! The GoodDay is a great, all-natural way to get a boost of energy.


  • Energizing crisp white light for enhanced alertness and visual acuity
  • High CRI for excellent color rendering
  • Fits into any standard Edison, medium base lamp
  • Actual wattage: 9.5
  • Replacement wattage: 60
  • Brightness: 800 lumens
  • Colour temperature (Kelvin): 5000 K (Bright white)
  • Colour rendering index (CRI):  >90
  • Melanopic/Photopic Ratio (M/P): 0.93 +/-0.02
  • Low energy consumption
  • Low heat emission
  • Input voltage: 110-120 V
  • Base: E26
  • Usage:  Indoor, dry locations, dimmable
  • ROHS compliant
  • cETL / FCC Listed


For Best Results: Use the GoodDay® LED lamps from morning to late afternoon, anytime you need to be at peak performance, and whenever it’s important to be alert and focused. GoodDay® is ideal for home, office and work environments where exposure