Largest, easiest-to-read display available - anywhere. * Patented Air Time Remaining algorithm provides extremely accurate time based on current depth and your personal air consumption. * Dual Algorithm® - choose the decompression algorithm that best suits your diving needs or match your buddy’s without compromising safety. Choose between Pelagic DSAT (Spencer/Powell data basis) or Pelagic Z+ (Buhlmann ZHL-16C data basis). * Custom alarms * SmartGlo® Backlighting