The Stern Navigation Signal Light, with a 30W power rating and Type CXH4-2S, is designed for maritime safety and communication. It operates on a DC 24V rated voltage and features an incandescent lamp as its illuminant. The light is available in white or yellow, with a lamp holder specification of B15d. It casts a horizontal arc of 135 degrees and a vertical arc of +5 degrees, ensuring a visible distance of 2 nautical miles. With an IP56 protection class, it is well-suited for harsh marine environments, capable of withstanding ambient temperatures ranging from -30C to +55C. The light's robust stainless steel body and PC engineering plastic shade, available in red, green, yellow, or transparent, underscore its durability. The cable's outside diameter accommodates 10~12 mm, and the seat-mounted installation method facilitates secure placement. Weighing in at 1.5 kg, this navigation light is a reliable choice for maritime vessels needing to signal their position and navigational status effectively.