Its effortless approach and versatility give you the ability to dive right in. It exceeds expectations with many features such as its easy-to-use interface, flexible operating modes, built-in backlight and user-changeable battery with data retention. The i300 carries all these features with a ruggedness that you can count on. And with effortless design, such as a water-activated on switch, it gets you right in the water and descending to your next adventure. 4 operating modes: Air, Nitrox, Gauge (with run timer), and Free Dive (tracks calculations to allow unrestricted switching between Dive and Free on same day). User-changeable standard 3.0V CR2450 lithium battery and data retention. Maintains settings and calculations between battery changes. Backlighting for easy reading in low light. Audible alarms and additional high-visibility LED warning light for additional safety. User-updatable software gives access to the latest features and upgrade (must purchase optional download cable). Pre-Dive planning feature allows a preview of your next dive. Water-activated on switch, to give a no-worries start to the dive. 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. Computer has a maximum depth readout of 330' (100m), is altitude adjustable up to 14,000' (4,270m) and is fueled by Buhlmann ZHL-16C based PZ+ algorithm.

3-Nitrox mix to 100% O2. Optional deep stop with countdown timer. Salt or fresh water dive selection. Automatic altitude adjustment ensures an accurate profile. 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 ediverlog.com. 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. History Mode records last 24 dives. User-updatable software gives access to the latest features and upgrade (must purchase optional download cable SKU: UDRPCI200). Included with the computer are a digital instruction manual, safety reference information, DiveLog brochure, quick reference card, lens protector and battery compartment opening tool.