The redesigned Suunto D4i comes in a range of fresh colors and with an all-new soft, comfortable silicone strap for that perfect fit. Lightweight and packed with handy features like freedive mode and optional wireless air integration, it’s got everything you need – wherever your diving may take you.
 
Full continuous decompression algorithm - Suunto RGBM
Four modes: air, nitrox, free and off
Innovative apnea timer, and a timer in air/nitrox modes
Updateable firmware
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