Mineral Glass Display Tempered glass with superior scratch resistance and improved readability in all diving conditions and viewing angles. Gas Switching Technology Setting the computer to include one or more oxygen enriched - gases (up to 99%) in addition to your main gas; allow you to benefit from shorter decompression times by switching gases during the dive. Software Upgradeability Keep your dive computer up-to-date with the latest Mares developments. Segment Display Needle-sharp information combined with intelligent placement of information for easiest readability. One Button Control Full-featured computer in which all functions can be accessed through an intelligent and intuitive logic with a single button.