Suunto SK8 Add-On Compass For Cobra, Vyper, Gekko And Zoop Consoles (End Mount) Operating Modes: Air, Nitrox and Gauge, Programmable for 21% to 50% Oxygen Mixtures Displays Oxygen Partial Pressures from 17.4 psi to 23.2 psi (1.2 to 1.6 bars) | Altitude Adjustable Up to 10,000' (3,000 meters) Maximum Depth Display: 492' (150 meters) | Operational Depth Display: 262' (80 meters) | 12 or 24-Hour Clock Format Temperature Gauge to 1.5 DegreeF (1 DegreeC) Accuracy | Imperial/Metric Programmable | Decompression Stop Data | Audible Alarms 36 Hour Profile and Logbook Memory | Back Lite Display, Easy to Read in Low Light & Night Conditions | 0 to 5,000 psi (360 bars) Display