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