Device used by divers to measure dive time and depth, calculate safe ascendancy, and avoid decompression sickness. Other features such as air supply, water temperature, and dive logging are also available.
An easy-to-use dive computer with freedive mode and air integration. A GREAT ALL-ROUNDER. An adventure should take you anywhere, any way you want to get there. That's why Suunto D4i gives you great freedive features as well as the option of a wireless readout of your tank pressure and air time. Go with your own dive inspiration - you'll be amazed at how far you can go on just one breath. The D4i Black comes with an elastomer strap and doesn't include a USB interface cable.
Full continuous decompression algorithm - Suunto RGBM
Four modes: air, nitrox, free and off
Innovative apnea timer, and a timer in air/nitrox modes
Optional wireless air integration current cylinder pressure, remaining air time
Built-in dive planner
Detailed graphical logs and dive data on your PC/Mac using Suunto DM5 software