Alfa Lighting P54QJ-STN-AMS 12V Dome Pendant with Quick Jack Adapter, Satin Nickel with Amber Storm Shade Hand-blown glass shade is 6-3/4-Inch high and 4-Inch wide Unique Quick Jack connector makes shortening the 72 inch cord length easy, contains fewer parts, and offers great reliability Must be purchased with transformer T537QJ 12V solid state electronic transformer (sold separately) for installation on Juno Trac Ceramic socket uses one 12V, 50W halogen bi-pin lamp that is dimmable using a dimmer specifically designed for use with electronic transformers UL listed for dry location installation