Certified stern light for boats up to 20 meters in length. Break-resistant poly carbonate housing snaps together without screws. Completely waterproof, yet vented and nonmagnetic. Bulb hangs to reduce corrosion on socket. Acrylic lens. Comes with long-life 12V/25W bulbs socket BAY15D or 12V/10W socket BAY15D for stern light. Housing color: white.