Stainless steel flip-up bi-color navigation light for vessels under 65'. Rugged construction and easy installation. This light keeps forward decks clear for the fisherman or clean for the fashion conscious. Below deck measurement: 2.68" W x 2.13" H x 3.54" L. Above deck with flange (light up): 1.06" H x 3.03" W x 4.33" L.