Mares' Quad Computer - The center of intelligence, edge of performance. The Quad offers a range of features: - Magnificently clear display with jumbo size information - Two customizable fields for ancillary information - Four buttons for intuitive user interface - Mirrored button function during dive - Option to view dive time including seconds - Runaway deco alarm - Multigas capable - Decompression dive planner with user adjustable surface interval - Long battery life, user replaceable