Aqua Lung


Rugged, Straightforward, Easy

The i550 is an easy-to-use, rugged and versatile dive computer perfect for both new and seasoned divers alike. Equipped with a comprehensive suite of features, including gas integration, Nitrox and Gauge modes, backlight technology and gas time remaining in an easy-to-read, large face console, it allows you to focus on your dive. The i550 is easily customizable, with an optional top mount compass, making this computer the sure choice for your dive kit.

This is a special order product and may take two weeks to be shipped

    • 3 operating modes. Air, Nitrox, Gauge (with run timer)
    • User changeable battery and data retention. Maintains settings and calculations between battery changes
    • Gas integrated. Tank Pressure is easy to read in the large face screen. Our patented Gas Time Remaining Algorithm provides calculations in real time, allowing accurate gas management
    • Backlighting. For easy reading in low light
    • Audible alarms and additional high-visibility LED warning light for additional safety
    • Pre-dive planning feature allows a preview of planned dives
    • User-updatable software gives access to the latest features and upgrade (Must purchase optional download cable)
    • Water-activated (turns on automatically)
    • Automatic altitude adjustment ensures an accurate profile
    • Single button access to last dive display (max depth and bottom time)
    • History Mode includes total number of dives, max depth, total dive hours, and lowest temperature
    • Nitrox mix to 100% O2
    • Optional deep stop with countdown timer
    • Extended Range Gauge Mode
    • Salt or fresh water dive selection
    • Simple to use with DiverLog software on the Mac or PC platforms, which allows control of all your dive computer settings, view Log and Profile data, add location, notes and other details, as well as store and share photos & videos. DiverLog must be purchased separately at
  • Modes Air, nitrox, gauge
    Safety Stop Yes
    Deep Stop Yes
    Digital Compass No
    Stopwatch No
    Tank Pressure Hose
    Multiple Tank Pressure Readings No
    Gas Switching No
    Gases 1: Oxygen 21-100%
    Backlight Yes
    Water Resistance 100m (330ft)
    Decompression Model ZHL-16C based PZ+ algorithm
    User Updateable Software Yes
    Download Cable Optional
    Mobile Connectivity No