Juno Lighting Group R718 BZ Trac-Lites 50 Watt Bronze Bell Halogen Track Head 5 1/4" high x 3" wide x 4" deep. Uses maximum 50 watt GU10 halogen bulb (not included). Painted bronze finish over die-cast aluminum housing. Copper alloy contacts. Bell track head for Juno Trac-Lites and Trac-Master systems. Deep lamp regression and spun aluminum baffle. Swivel arm.