The i770R boasts cutting-edge technology designed to meet the needs of even the most tech-savvy diver. Its ultra-bright TFT color screen provides perfect clarity under any conditions, while wireless Bluetooth connectivity allows for seamless management of dive data and settings via smartphone. Share your dive memories, stats, and photos on social media through the free DiverLog+ app. Ultra-bright Color Screen: TFT color screen ensures easy readability in all conditions 3-axis Full-tilt Compass: Easy-to-read graphics with compass-bearing lock and reciprocal heading Rechargeable Lithium Battery: Long-lasting and easily rechargeable for convenience Hoseless Air Integration: Real-time gas measurement for accurate calculations One-Time Transmitter Pairing: Pair your transmitter once for a lifetime connection Versatile Air Capability: Compatible with multiple transmitters and gas mixes on a single dive Four Operating Modes: Choose from Air, Nitrox, Gauge dive modes, plus Free Dive Digital Co