Measures: 7.75" H x 5" L x 4.50" W Bulb Included: No Number of Bulbs: 1 Type of Bulb: PAR30 Product Material: Die-cast aluminum track head with die-cast locking knob for aiming and polycarbonate track adapter. Medium base 250V porcelain socket with nickel-plated copper screw shell. The wait is over, introducing the Contemporary Modern White One Light Track Head from the 730 Collection, a beautiful product, by a great brand like W.A.C. Lighting, signature piece from 730, designer collection finishing the product with a elegant White.