Bulb specification: The lights are equipped with a universal halogen fitting and can hold halogen lamps of the type: G 4, G 5.3 and G 6.35 (20W max Halogen Capsule) Llight bulb not included. Includes transformer. Colour options: Yellow For additional colour options please contact Areti. Materials: Hand blown crystel glass, powder coated metal. ARETI www.atelierareti.com [email protected] Our collections are hand made and made to order, small irregularities in shape or surface will occur, they are inherent to the hand made process and should not be seen as flaws. Variations in colour and size are available for some collections, please contact Areti for more details.