Happylight Liberty®
5K Natural Spectrum® Energy Lamp

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  • HappyLight Liberty 5K
  • HappyLight Liberty 5K
  • HappyLight Liberty 5K

Improve Your Mood and Energy…Naturally

  • Beat the “Winter Blues” and the Effects of Seasonal Change
  • Fight Fatigue and Increase Alertness
  • Regain Focus and Concentration
SKU(s):  VT10WW1
Price:  $39.95
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An Energy Lamp That Goes Where You Do

This is the ideal lamp for use at home, office -- or both -- because the Liberty 5K measures only about 6" x 7" x 3", so it fits conveniently in a briefcase or backpack. But don't let its compact size fool you -- the 5K emits 5,000 LUX* of light intensity -- a good amount for daily use and moderate session times. Get the benefits of light therapy in a highly portable lamp to use wherever you want -- always conveniently and discreetly.

Light in Your Life

When our schedules are driven by man-made light, it may negatively affect our natural body clock (circadian system). Less available natural light in the winter months can result in the winter blues, sleeplessness, and lack of focus and concentration. Your eyes have photoreceptors, including one called melanopsin that helps set the body's natural cycles and is triggered by a specific , narrow spectrum of natural light. Most artificial light sources do not provide light in the range to most efficiently stimulate melanopsin. All Verilux energy lamps -- including the Liberty 5K -- emulate key spectrums of natural light to effectively set the body's internal clock to improve mood, energy and well-being.

Losing focus and concentration?

The Liberty 5K's 5,000 LUX of balanced NS light gently helps the body recalibrate and stabilize to improve focus and concentration. It also prompts the body's natural sleep patterns to alleviate the effects of jet lag and shirt work.

HappyLight® Liberty 5K Energy Lamp
Replacement Bulb -CFS26GU24VLX

*5,000 LUX (scotopic measurement) at 8" to 10" from the lamp; 5,000 LUX (photopic measurement) at 6" to 8".

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The HappyLight® Liberty 5K features:

  • Up to 5000 LUX of Natural Spectrum Daylight to lift spirits and improve energy levels
  • Half the LUX of our largest HappyLight at only 1/10th the size
  • Ideal for frequent, moderate session times
  • Use discreetly on a desktop or kitchen table
  • Portable - fits in a briefcase or backpack
  • Includes an energy efficient, cool burning 26 Watt bulb that produces 150 Watts of Natural Spectrum Daylight
  • Electronic ballast and Flicker Elimination Technology™ assures no-buzz operation and instant-on, flicker-free illumination
  • Replaceable Optix® Glare-Control Lens reduces eyestrain and fatigue
  • Dimensions: 7.4” H x 6.3” W x 3.0” D
  • Weight: 1.5 lbs
  • UL listed in United States and Canada

Published Research & Articles

A background and introduction to chronobiology and mood disorders Chronobiology and mood disorders: background and introduction Journal of Psychiatry and Neuroscience 2000;25(5):443-5. Benjamin Rusak, PhD
Light Up the Blues: Light Therapy for Winter Blues MedicineNet Website Melissa Stoppler, M.D., Barbara K. Hecht, Ph.D.

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