Navisafe Navilight Tricolor 2NM with RAILBLAZA Base [355-1]Navilight Tri Color 2NM with RAILBLAZA Base The Navilight Tricolor RB 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 is fully compatible with the RAILBLAZA StarPort Mounting system. RAILBLAZA is a