Aqualung I100 Unisex Dive Computer, Intuitive one button navigation, Four operating modes, Altitude adjustment, Aqua Lung diving Watch ideal for scuba

4 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) Water Activation - Water activation feature gives you a worry-free start to your dive Updatable Software- User-updatable software gives you long-term access to the latest features and upgrades via Bluetooth connection Altitude Adjustment - Automatic altitude adjustment ensures an accurate profile History Mode - History Mode lets you see your total dives, maximum depth, total dive hours, and lowest temperature. Records up to 24 dives