TUSA SC-0101U Scuba Diving Pressure Gauge is designed for precision and convenience underwater. The gauge features a luminescent dial, making it easy to read in dark or low-visibility conditions. It includes a pressure gauge that measures up to 5000 PSI (4000 PSI max), ensuring you have accurate readings during your dives. The durable gauge boot comes with rings for easy attachment of BC hooks, keeping everything organized and within reach. Ideal for divers seeking a reliable and practical addition to their gear.