This demonstration video goes over the features of the Oceanic Geo 2.0 Air/Nitrox Computer Watch. The Geo 2.0 Computer is a watch and a full Function Dive Computer. It features a User changeable Dual Algorithm - Pelagic DSAT (Spencer/Powell data basis) or Pelagic Z+ (Buhlmann ZHL-16C data basis) - Gives the diver the ability to select a conservative or liberal algorithm to fit their diving needs. It also has a large, easy to read display. The Geo 2.0 has a 24 Dive logbook and the display is backlit for night diving.