Replace your conventional BAY15D bulb with a 50 LED bulb equivalent to a conventional 25 Watt bulb, with low power consumption (3.5W), no polarity constraint, waterproof (IP67), insensitive to boat movements and vibrations and with a life of over 50,000 hours. Adaptable to all conventional light models (Hella, Aqua-Signal, etc.). The 2 and 3 colour bulbs are supplied with a socket for adjusting the position of the bulb in relation to the colour sectors of the navigation light. 10 to 30V DC, Ø 32mm x 50mm