40,000 to 50,000 bulb life
Up to 90% energy reduction
No Mercury or harmful substances
Average payback of less than 1.5 years
A Real Turn-On
Designers and manufacturers are getting excited about the potential of LEDs
Craig Kellogg — Interior Design, 7/1/2009
Source: www.InteriorDesign.net
http://www.interiordesign.net/article/ca6671218.html?q=david+singer