Illuminate iPS – Portable Bi-colour Navigation LightThere is a new, battery powered, port starboard navigation light on the market, one that outshines all others! The iPS meets the required standards for a port starboard navigation light for power and sailboats under 12 metres. This light is great for use where cables cant be run such as on some inflatables, as an emergency nav light, or on small, tiller steered vessels. RAILBLAZA have made a bi colour, or port starboard light, and not a tri colour for