Subgear by ScubaPro XP-Air with Quick Release Computer 4 gases up to 100% oxygen - Full-tilt digital compass - Built-in memory saves up to 24 dive profiles Deep stop reminder for dives over 80 ft - Intuitive 3-button operation - Air-integrated feature for air-pressure display on the console Dive time remaining display - Audible and visual alarms for fast ascents, safety stops, NDL limits Automatic altitude adjustment to 14,000 feet - Air, nitrox or gauge operating modes - Use in metric or Imperial units Download your dive history to your PC - Depth rated to 393 ft/119 m - User-friendly operation - User replaceable battery - Quick-disconnect hose fitting