SunBlaster Lighting introduces the 13 Watt - 4 Pack, a 6400K spectrum for ultra daylight lighting. It is an excellent light source for people, plants, and animals and includes: healthy, energy efficient indoor lighting equivalent to a 60 watt incandescent bulb fits directly into a standard light socket and a one year warranty with proof of purchase. For more information call 866.491.0255 or visit http://www.sunblasterlighting.com/.