The new Scotty 2NM tri-color navigation light (approved by the United States Coast Guard for 2 nautical miles) includes a green light displayed on the starboard side and a red light displayed on the port side. Additionally, it features the Bright White light, used at the stern. It is battery-powered, uses bright LED light, is waterproof, and floats. The green as well as the red lights show an uninterrupted light over a 112.5-degree arc of the horizon. The Bright White light displays uninterrupted light over a 135-degree arc of the horizon. All lights operate independently, in a combination of the three, or red/green together.