Herman Miller Flute Personal Task Light: Graphite Satin Finish Metal Made in USA Latest LED technology for high-quality, medium-warm light output, consuming up to 50% less energy than other task lights Flute's LED chips require no replacement or service over its estimated 24-year life span with average use Has a head that swivels 230 degrees from left to right to focus light where you need it Efficient30 to 50 percent less energy than traditional task lights; nearly 31 lumens of light output per watt of energy used 5-year Herman Miller warranty