The Masthead Navigation Signal Light 30W, Type CXH3-2S, is a specialized maritime lighting fixture designed for the provision of essential illumination to ensure the visibility of vessels. It operates at a rated voltage of DC 24V with a power consumption of 30W, utilizing an incandescent lamp as its light source. The light emitted is white, and the lamp holder type is B15d. This signal light is characterized by a horizontal arc of 225 degrees and a vertical arc of +5 degrees, ensuring a broad coverage area. It boasts a visible distance of 2 nautical miles and adheres to the IP56 protection class, indicating a strong resistance to dust and water ingress. The cable designed for this light should have an outside diameter ranging from 10 to 12 mm. For installation, it employs a seat-mounted type method, which allows for secure and stable attachment. The signal light is built to withstand a wide range of ambient temperatures, from -30°C to +55°C, making it suitable for diverse marine environments. The robustness of the lamp body is ensured by its stainless steel material, while the lamp shade is made of PC engineering plastic, known for its durability and resistance to harsh conditions. The lamp shade is available in multiple colors, including red, green, yellow, and transparent, to cater to different signaling requirements. The entire unit has a modest weight of 1.5 kg, facilitating easier handling and installation. This combination of features makes the Masthead Navigation Signal Light a reliable choice for maritime navigational purposes.