The most tech-savvy diver will appreciate the i770R’s cutting-edge ultra-bright TFT color screen and its wireless Bluetooth connectivity packaged into a robust, functional, and compact design. Monitor all your information with the easy-to-use interface and intuitive 3-button navigation. Standard features include a rechargeable lithium battery, 3-axis full-tilt compass, easy three-button navigation, multiple gas capability and 4 operating modes.

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Wirelessly manage your dive data and settings on your mobile device via the computer’s Bluetooth connectivity and after your dive share your memories, stats, photos, and dive site on social media all through the free DiverLog+ app.


  • Rechargeable lithium battery

  • High-visibility Thin Film Transistor (TFT) color screen with easy-to-use interface

    • Color screen. Ultra-bright, high-contrast, full-color TFT display, with easily adjustable intensity for perfect clarity and battery savings when a high-intensity screen is unnecessary.

    • Easy-to-use interface. Monitor all your key information with the intuitive menu structure. The i770R’s intuitive 3-button navigation interface allows for easy settings preview and updates.

  • Bluetooth data transfer to the DiverLog+ app*

    • Using your smartphone or tablet, the DiverLog+ app (available for iOS and Android) allows you to wirelessly interact with your i770R via the latest Bluetooth Smart technology.

    • Remotely control all your i770R settings, view Log and Profile data, add location, notes and other details, as well as store and share photos and videos of your dive.

  • Hoseless gas integration. Our patented Gas Time Remaining Algorithm provides calculations in real time, allowing accurate gas management.

    • Compatible with 4 different transmitters and nitrox mixes on a single dive.

  • Paired-for-life transmitter. Once you pair your transmitter to your i770R, it’s done—there’s no need to ever pair again.

  • 3-axis full-tilt compass. Easy-to-read compass graphics, with a compass-bearing lock and reciprocal heading for easy navigation. An alternate compass bar can be displayed on the primary dive screen with the touch of a button.

Other Features

  • Multiple gas capability manages up to 4 Nitrox mixes (with 4 transmitters), each with individual PO2 set points

  • Audible alarms and color-changing segments provide cautions and warnings for additional safety

  • Automatic altitude adjustment ensures an accurate profile

  • Included adjustable bungee wrist mount and NATO band

  • Pre-Dive planning feature allows a preview of planned dives to maximize your next adventure safely

  • Automatic Safety Stop Countdown displayed in minutes and seconds for clarity

  • Battery status indicator for both computer and transmitter

  • 4 operating modes: Air, Nitrox, Gauge and Free Dive, so it’s up for any adventure

  • User-updatable software gives access to the latest features and upgrades

  • Optional deep stop with countdown timer

  • Salt or fresh water dive selection

*DiverLog+ app can be downloaded for free from the App Store, Google Play or www.ediverlog.com


  • Transmitter up to 40% or 100%

Included in the Box

  • Download Cable

  • NATO Wrist Band

  • Bungee kit

  • Lens Protector

  • Quick Reference Card

  • Digital Instruction Manual

  • Paper Safety Reference

  • DiverLog+ Brochure


Max Depth (Dive and Free Mode) - 100m / 330 ft

Max FO2 setting - 21% to 100%

Multiple Gas - yes

Max PO2 - 1.1 to 1.6

Audible alarm - yes

Gauge Mode - yes

Free dive - yes

Safety Stop - yes

Book Mark - Yes

Deep Stop user set - ON/OFF

Logbook - yes

History mode - yes

Download - yes

Fresh / Salt water select - yes

Temperature - yes

Algorithm - Z+

Conservative factor Adj - yes

Activation (wet or button) - yes

Mounting option - Wrist

ALT adjustable - auto adj.

Ascent rate indicator - yes

Plan mode - yes

Calendar - yes

Batt power indicator - yes

LCD Display - TFT

Compass - yes

Shortcut screen - no

Preview Screen - no

Air integration - yes

Download cable - included

Bluetooth - yes

Set Audible ON/OFF - yes

Set Deep Stop On/Off - yes

Set Depth Alarm - yes

Set EDT alarm - yes

set N2BG alarm - yes

Set DTR alarm - yes

Set Safety stop Depth/Time - yes

Safety Stop Timer - yes

Set WET ON/OFF - yes

Set Units - yes

Set Max PO2 alarm - yes

Colors - 1

Dive Profile - via Download

Freedive Memory - via Download