Portable Navilight 2NM - TriColor w/Clamp-On Rail MountThe Navilight Tricolor 2NM - US Coast Guard approved for 2 nautical miles 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, floats and attaches almost anywhere through its double magnetic mounting system.The green as well as the red lights show an unbroken light over an arc of the horizon of 112,5°. The white Sternlight shows an unbroken light over an arc of the horizon of 135°. 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 COLREGsOn a power-driven vessel of 12M or more in length but less than 50M in length:As green or red sidelightAs sternlightOn a power-driven vessel of less than 12M 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 (20M) and air-tightIncludes magnet bracket, mounting screw, 3 lanyards for multiple fixing and securingPowered by three AAA batteries (not included)Size: H = 35mm, Diameter = 68mmWeight (net): 118gModes / approximate burn time:16 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 / 32hrsClamp-On Rail MountDesigned to allow secure mounting of the Navi lights with magnetic base to the bow pulpit or stern rail.Examples of Usage:The Clamp-on Rail mount easily attaches to the bow pulpit and can safely hold for example the Navi light TriColor. In a nearly center position it may be used in its BiColor mode, otherwise it is recommended to use two Clamp-on Rail mounts, each equipped with a Navi light TriColor showing the green and red light individually.Mounted to the Stern rail it may hold the Navi lights TriColor, or the Navi light 360°/Navi light Rescue to show the Sternlight.The Clamp-on Rail mount may also be used on vertical poles - together with the Navi light 360°/ Navi light Rescue it is the perfect solution for the Masthead light.Specifications:Save mounting of Navi lights with magnetic base (Navi light 360° 2NM, Navi light TriColor 2NM, Navi light Red/Green, Navi light 360° Rescue).Fits on rails from 25 to 32mm (7/8" to 1-1/4")Rotates through 180°Size: L = 97mm, W = 50mm, Diameter = 55mmWeight: 80gWARNING: 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.