The Oceanpro SPG is compact and dependable. Easy to read with its back lit display giving you peace of mind and more time to enjoy your diving. Suitable for recreational to Technical divers. All Ocean Pro SPG Complete Gauges come as standard with a 84 cm / 36" High Pressure rubber hose in black. This gauge is Nitrox compatible to 40% straight out of the box. The combo console includes a compass to help with underwater navigation with ease. The gauge is proudly designed in Australia by Ocean Pro.