Mares Quad Dive ComputerQuad Dive Computer Quad, multi blend, large screen scuba diving computer. Extraordinarily clear display with large format data, two customisable fields for auxiliary information. The Quad Scuba Dive Computer features a more visible screen, thanks to its size and 3 lines of "Jumbo Size" information that are now available in a larger size. The four buttons that provide intuitive operation become mirrored during the dive, thanks to the mirrored button