4 operating modes. Air, Nitrox, Gauge and Free Dive (tracks calculations to allow switching between DIVE and Free)
User changeable battery and data retention. Maintains settings and calculations between battery changes
Intuitive one-button navigation

Audible alarms and additional high-visibility LED warning light for increased safety
User-updatable software gives access to the latest features and upgrades (must purchase optional download cable)
Pre-Dive planning feature allows a preview of your next dive

Bluetooth connectivity. Now equipped with Bluetooth technology that offers the user a simple and quick wireless exchange of dive log information with the DiverLog app and fast connections with their buddies on social media
4 operating modes. Air, Nitrox, Gauge (with run timer) and Free Dive (tracks calculations to allow switching between DIVE and Free)
User-changeable battery and data retention. Maintains settings and calculations between battery changes

Bluetooth connects wirelessly to the free DiverLog+ app
Using your mobile device, the DiverLog+ app (available for iOS and Android) allows you to wirelessly interact with your i550C via the latest Bluetooth technology.
Remotely control all your i550C settings, view log and profile data, add location, notes and other details, as well as store and share photos and videos of your dive.