Navilight Tricolor 2NM with Navibolt BasePortable Tricolor Navilight with Navibolt base, compatible with Navisafe Navimount system. This is an extremely durable and strong solution. This is a very low and tight mounting solution together with the any of the Navimount.Technical Specifications:US Coast Guard approved for 2 nautical miles5 Modes: Tricolor Masthead light (135x white, 112,5x red, 112,5x green), BiColor side light, red side light, green side light, white SternlightFloats light facing upSubmersible to 20M/66'Corrosion resistantPowered by three AAA batteries (not included)