• Black polymer with soft black vinyl mounting gasket.
• For use on sail or power driven vessels under 20 meters in length.
• Overall height 3-5/8”, width 4-1/8”. Overall projection 2-1/2”.
• Uses #10 fasteners.
• 12 volt bulb included.
533272 (0170 BSN DP1) White Stern 3 Mile, 135° Visibility