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

• Stay Connected After your dive, Bluetooth connectivity lets you share your stats, location, memories, and photos on social media via the free DiverLog+ app on your smartphone (for iOS and Android)
• Ultra-bright Color Screen Thin Film Transistor (TFT) color screen with easy-to-use interface for perfect clarity under any conditions
• 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
• Rechargeable Lithium Battery Long-lasting, easily rechargeable battery
• Always Stay Accurate Our hoseless air integration and Gas Time Remaining algorithm provide calculations in real time for accurate gas measurement
• One-Time Transmitter Pairing Pair your transmitter once, and it’s paired for life
• Versatile Air Capability Compatible with four different transmitters and gas mixes on a single dive
• Four Operating Modes Dive how you like with Air, Nitrox, Gauge dive modes, plus Free Dive (tracks calculations to allow switching between dive modes and free dive)
• Digital Compass Includes north reference, return bearing lock, and declination adjustment
• Memory Maintains settings and calculations during battery changes
• Intuitive Navigation Single-button access to last dive data (maximum depth and bottom time)
• Well Lit Easy reading in low light conditions
• Increased Safety Audible alarms and additional high-visibility LED warning light
• 3 Gas Computer Able to switch up to three gases underwater
• Updatable software User-updatable software gives you long-term access to the latest features and upgrades via Bluetooth connection
• Water Activation Water activation feature gives you a worry-free start to your dive
• Rugged Finish Extremely durable and resistant to abrasion
• Advanced Watch Functions Alternate time zone, stopwatch, lap timer daily alarm, countdown timer
• History Mode History Mode lets you see your total dives, maximum depth, total dive hours, and lowest temperature. Records up to 24 dives
• Nitrox Mix Capability Up to 100% O2. Mix up to 3 Nitrox gases
• Deep Stop Optional deep stop with countdown timer
• Go Anywhere Salt or freshwater dive selection
• Altitude Adjustment Automatic altitude adjustment ensures an accurate profile

  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
  Freedive		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
  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