Portable Navilight 360 degrees 2NM Rescue Glow In The Dark Green. The Navilight 360 degrees Rescue Edition 2NM US Coast Guard approved for 2 nautical miles is based on the Navi light 360 degrees 2NM and includes a 360 degrees All-round light, 225 degrees Masthead light, 135 degrees Sternlight, Flashing light, Anchoring light and a Cabin light. Additionally it is fitted with a glow in the dark circle around the switch. These unique glow pigments glow for 8 hours after only 10 minutes of exposition to daylight. This and the emergency green color of the body, makes Navi light 360 degrees Rescue Edition 2NM extremely easy to locate, day and night. It uses super bright LED light, is water proof, floats and attaches almost anywhere through its double magnetic mounting system. Examples of usage *Based on the Convention on the International Regulations for Preventing Collisions at Sea, commonly called 72 COLREGs. In a vessel of 12M or more in length but less than 50M in length As St The Navilight 360 degrees Rescue Edition 2NM US Coast Guard approved for 2 nautical miles is based *Based on the Convention on the International Regulations for Preventing Collisions at Sea, commonly As Sternlight. As Flashing light As All-round light. In vessels of less than 12M in length As Masthead light As Sternlight As All-round light