This Ancor Marine 1142-R Red Mini Lamp is a 12V lamp designed for marine use. It features a double‑contact bayonet (BA15d) base, making it suitable for use in navigation or indicator lighting systems on marine vessels. With specifications of approximately 18W and 21CP, this lamp is ideal for providing clear red indicator lighting. It has a durable marine grade design, a red lens, and an expected lifespan of about 1000 hours, making it perfect for replacing blown or missing lamps where BA15d sockets are used. Offered as new old stock (NOS), it is especially valuable for those seeking parts for restorations or ensuring the authenticity of classic marine vessels. Ensure your vessel's lighting is up to standard with this high-quality Ancor Marine product.