Orca Green Marine Selector Switch For Ogm Trianchor Light . Rugged rotary switch with black anodized faceplate showing four positions: OFF-Tricolor-Anchor-Strobe. Also includes rear PC board with terminal block for easy connections and built-in 2-amp fuse. Circuit board dimensions are 2.5 x 2.5 inches. Faceplate dimensions are 2.25""W x 2...