Depth, time, and deco info display Bühlmann decompression model with gradient factors conservatism Optional VPM-B decompression model Imperial and metric displays Available in Standalone (SA) model only A menu system that adapts to diving status Automatic turn off after 15 minutes on the surface Depth sensor functions past 300msw, crush pressure rating is 260msw (this is due to the case) Dive Planner Any combination of oxygen, nitrogen, and helium (Air, Nitrox, Trimix) Open and closed circuit, switchable during a dive 5 CC and 5 OC gases Gases can be changed and added during a dive CNS tracking No lockout from violating deco stops Automatic PPO2 set-point switching (configurable) Two internal PPO2 set-points for use with a rebreather Flexible user replaceable battery. Almost any ‘AA’ type Tilt compensated digital compass 1000 hour dive log memory Log downloads and firmware upgrades using Bluetooth