Mares QUAD Scuba Dive Computer Color:Black / White The center rubber blade channel

The center rubber blade channel is added for better water cupping higher power efficiently

The air-balanced valve technology is featured in the X and S-Series second stages

making it easier to control buoyancy

and gloves

Mares QUAD Scuba Dive Computer Color:Black / White The center rubber blade channelQUAD Scuba Dive Computer QUAD Scuba Dive Computer 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 Max Displayed Depth: 150m 492 ft Memory