This LED Track Kit is perfect to install at any room of the house. This 4.5 Watt Track kit is dimmable, and it includes blubs of 25,000 hrs. The track kit includes one floating feed, one 44" black track, three adjustable track heads and, three 4.5 Watt MR16 Dimmable LED Blubs. The kit comes packaged in a 44.5" x 5.50" x 4" box.