The Sanshin Daylight Lamp SPS-10A is perfect fit for your vessel. It is a legal requirement for all vessels used in international navigation inexcess of 150 tons gross weight, as specified in "Safety of Life at Sea" (SOLAS). Ministry of transport approved. Main Characteristics: - Signal operation is simplified. Moreover transmission rate of 12 wards per minute can be achieved. - Special halogen lamp is used getting long life and stable luminous flux. - The weight of lamp housing is very light using aluminum material. - Neutral filter and color filter can attach very easy.