Navlight 360° 2NM with Navibolt Base, Portable All-round white Navilight with Navibolt base, compatible with Navisafe Navimountsystem. This is an extremely durable and strong solution. It is a very low and tight mountingsolution together with any of the Navimount. USCG Approval, 2 Nautical Miles, 5 Modes: 360°, Float light facing up, Submersible to 20M /66', Corrosion resistant, Powered by three AAA batteries (not included). Modes: 16 White LED 360° Constant lights / 13 - 15hrs, 16 White LED 360° Flashing lights / 80 - 85hrs, 10 White LED 225° Forward lights / 22 - 24hrs, 6 White LED 135° Backward lights / 30 -32hrs, 4 White LED 360° Dim function / 70 - 72hrs.