The ATOM 3.1 is equally at home when worn with a wetsuit or a three-piece suit. Don't be deceived by its easy to read display and intuitive user interface -- this small format powerhouse delivers all the bells and whistles you would expect from Oceanic. Presents your critical dive data including depth, no-deco time remaining, cylinder pressure, air time remaining, and elapsed dive time - all on a clear easy-to-read display. Featuring a host of new features including our exclusive Dual Algorithm^™ the ATOM 3.1 is a stylish rugged device that can be worn as a watch topside and can monitor up to 3 wireless transmitters and Nitrox mixes underwater.