Pactrade Marine Boat Pontoon Navigation Red Green S.S. LED Light Plastic Base Material: Stainless Steel, Plastic Base Material: Stainless Steel, Plastic Base, Housing Color: Silver (Stainless Steel) LED Color: Red / Green Visibility 2 Nautical Mile Dimension: 3 1/4" (L) X 2 1/2" (W) X 1 5/8".