Powered by Oceanic's Exclusive Dual Algorithm™ - Your choice between Pelagic DSAT (Spencer/Powell data basis) or Pelagic Z+ (Buhlmann ZHL-16C data basis). Wireless Air Integrated Technology. Forged Titanium Body with 660 ft / 200 m depth rating. Advanced Digital Compass with North, Reference, Auto Home, and Declination Adjustment (see NOAA's NGDC geomagnetic chart). Switch between 3 independent transmitters, with up to 3 nitrox mixes to 100% O2. Advanced watch functions including alternate time zone, stopwatch, lap timer, daily alarm, and countdown timer. Deep Stop with Countdown Timer. Gauge Mode with Run-Timer. User Upgradeable Firmware. The Oceanic OC1 is an advanced all-in-one dive computer featuring Oceanic's exclusive Dual Algorithm, wireless air-integration, digital compass, and so much more. All in a strong, lightweight titanium housing.