Find your way. For reliable underwater navigation, the SideScan Compass is hard to beat. Large, easy-to-read bearing indicators on our extremely bright OceanGlo® luminescent floating card make quick work of navigation, especially in limited visibility. Proprietary design ensures quick response and smooth movement Top or side reading OceanGlo® luminescent floating card absorbs light and glows approximately 7 times faster and longer than other materials High visibility lubber line Large ratcheting bezel Direct and reciprocal index points