Portable All-round white Navilight with Navimount base, compatible with Navisafe Navimount system and many GoPro® / Action camera mounts - US Coast Guard approved for 2 nautical miles- 5 Modes: 360° All-round light / Anchoring light, 225° Masthead light, 135° Sternlight, Flashing light, Cabin light- Floats light facing up- Submersible to 20 m / 66 ft.- Corrosion resistant- Powered by three AAA batteries (not included) Unit weight is 3.7oz with batteries Portable All-round white Navigation light with Navimount base, compatible with Navisafe Navimount system and many GoPro® / Action camera mounts. The Navilight 360° without the Navimount base can be mounted directly to the 4-piece-pole but also directly to all kind of GoPro® / Action camera mounts. The Navilight 360° together with the Navimount base can be mounted directly to all Navimount’s – for example to the Navimount Rail / 956 onto the push pulpit or onto the Navimount Horizontal / 952 on the cabin roof. Examples of usage, based on the Convention on the International Regulations for Preventing Collisions at Sea, commonly called 72 COLREGs. On a power-driven vessel underway of 12 meters or more in length but less than 50 meters in length: Sternlight All-round white light On a power-driven vessel underway of less than 12 meters in length: Masthead light Sternlight All-round white light On a power-driven vessel underway of less than 7 meters in length whose maximum speed does not exceed 7 knots: All-round white light Rowing / Paddle vessels All-round white light Anchored vessels and vessels aground Anchor lights must always be shown from sunset to sunrise. All-round white light