Navilight 360° All-Around Tricolor Light 2NM with Scotty Mounting AttachmentNavilight Tricolor Scotty 2NM - US Coast Guard approved for 2 nautical miles is fully compatible with the Scotty Deck Mounting system and includes a green light to be shown at the starboard side and a red light to be shown at the port side. In addition, it includes the white Sternlight, to be used at the stern. It is battery operated, uses super bright LED light, is water proof and floats.The green as well as the red lights show an unbroken light over an arc of the horizon of 112,5 degrees. The white Sternlight shows an unbroken light over an arc of the horizon of 135 degrees. All lights work independently, in a combination of all three or red/green together.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 of 12 meters or more in length but less than 50 meters in length:As green or red sidelightAs sternlightOn a power-driven vessel of less than 12 meters in length:As green or red sidelightAs combined green/redAs sternlightOn a sailing vessel underway:As green or red sidelightAs sternlightOn a sailing vessel of less than 20 meters in lengths as backup light:TriColor lantern at or near the top of the mastSpecifications:USCG Approval, 2 Nautical Miles5 Modes: Tricolor Masthead light (135° white, 112,5° red, 112,5° green), BiColor side light, red side light, green side light, white SternlightFloatable, waterproof (20 m) and air-tightFor use with Scotty Flush Deck Mounting systemPowered by three AAA batteries (not included)Size: H = 85 mm, O = 68 mmWeight (net): 91 gModes/Approximate Burn Time16 green/red/white LED, 360° Tricolor lantern/12hrs10 green/red LED, 225° Bi-Color sidelight/20hrs5 green or 5 red LED, 112,5° sidelight/38hrs6 white LED, 135° Sternlight/32hrsMounting System:The Navilight Tricolor Scotty is designed to fit into the Scotty Deck Mounting system (Side/Deck Mounts, Flush Mounts) and requires no additional adapters.WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.