Five Oceans 12v Bicolor Stainless Steel Navigation Bow Side Lights &ndash;Red & Green Highly Polished Stainless Steel Side Lights Pair Set - Navigation Light Bulbs can be replaced from inside the boat Includes gaskets for a water tight installation Dimensions: 7-3/4 L x 2-1/4 H x 2-1/2 D Meets CE and USCG requirements for 1 NM visibility for sail or powerboats under 39.4 (12 Meters)