Oceanic Maxdepth Three Gauge Navcon SWIV Console Non-linear depth scale is easier to read in shallow depths, and makes it much easier to maintain safety stop depths OceanGlo luminescent gauge face absorbs light and glows approximately 7 times faster and longer than conventional glow-in-the-dark materials 200' / 60m maximum depth reading Automatic maximum depth indicator Easy to Read Swiv Compass on the reverse side