Measures: 4.50" H x 2.50" L x 4.50" W Bulb Included: No Number of Bulbs: 1 Type of Bulb: MR16 Product Material: Die-cast aluminum track head with polycarbonate transformer case and track adapter. Bi-pin ceramic socket for MR16 lamp. The wait is over, introducing the Contemporary Modern Black One Light Track Head from the 007 Collection, a great feature, crafted by a master brand like W.A.C. Lighting, part of 007, elegant collectionand with a Black elegant finish.