Multifunctional portable Tricolor Navilight compatible with Scotty Deck Mounting System. - US Coast Guard approved for 2 nautical miles- 5 Modes: Tricolor Masthead light (135° white, 112,5° red, 112,5° green), BiColor side light, red side light, green side light, white Sternlight- Floats light facing up- Submersible to 20 m/66 ft.- Powered by three AAA batteries (not included)