Oceanic SWIV Compass Module Fits SWIV Consoles such as VEO 100NX SWIV NavCon, VEO 100NX SWIV Combo, VEO 180 SWIV NavCon, VEO 180 SWIV Combo, VEO 250 SWIV NavCon and VEO 250 SWIV Combo Proprietary design ensures quick response and smooth movement Top or side reading OceanGlo&reg; luminescent floating card absorbs light and glows approximately 7 times faster and longer than other materials High visibility lubber line