Portable Tricolor Navilight with Navimount base, compatible with Navisafe Navimount system and many GoPro® / Action camera mounts - 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.- Corrosion resistant- Powered by three AAA batteries (not included)