Portable Bi-colour Navigation Light designed and made in New Zealand using high quality materials, and the latest LED technology. It has 3 operation modes: Bi-colour Port/StarBoard mode 2NM – up to 14hrs battery life, Port light only mode 2NM – up to 28 hrs battery life, Starboard light only mode 2NM – up to 28 hrs battery life. It is waterproof to 1 metre, powered by 3 x AA batteries (not supplied). It meets USCG 2NM 33 CFR 183.810 & ABYC A-16. Fits any RAILBLAZA mounting port, ordered separately. The iPS meets the required standards for a port/starboard navigation light boats under 12 metres. This light is great for use where cables can’t be run such as on some inflatables, as an emergency nav light, or on small, tiller steered vessels.