Garmin Descent MK2i Dive Computer Titanium Carbon Gray DLC with Black BandREADY TO SHIP NOW. NEW STOCK JUST IN. The MK2i has Air integration capability with the T1. Explore both of your worlds, underwater and topside, with Descent Mk2i, the watch sized dive computer. It features multiple dive modes, such as single and multiple gas dives, gauge, apnea, apnea hunt and closed circuit re breather. The Descent Mk2 comes with ABC sensors with an underwater 3 axis compass as well as surface GPS capabilities to mark your entry and