According to the Illuminating Engineering Society of North America "Square Law" curve, "The human eye perceives more than the actual measured light!  The eye perceives light dimmed to 70%, as being 84% brightness!

	Illuminating Engineering Society "Square Law" Curve

• Immediate Energy Savings up to 40%
• Substantial Savings on Bulb, Ballast & Labor
• Considerable Reduction of heat generated from Bulb and Ballast
• Dramatic Cut in "peak demand" utility charges
• LightBoss® can offset the effects of lumen depreciation
  

LightBoss® will allow for Significant Energy savings of up to 40%, without replacing Lamps, Ballast and most importantly, without interrupting your business.

The school gym pictured here has a LightBoss® system installed and as a test for "light perception" the left side was set at 100% and the right side was set at 80%.  That's a 20% Savings.