New divers, this one's for you: entry-level pricing, essential functionality, and simple, one-button navigation. Select from four operating modes and manage two gases. The i100 also retains all your settings and calculations during battery changes. Stay safe with audible alarms and a high-visibility LED warning light.

• Four 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)
• User-Changeable Battery&;nbsp;uses globally available standard batteries found at supermarkets and drugstores so you can easily replace as needed
• Memory Maintains settings and calculations during battery changes
• Intuitive, one-button Navigation Single-button access to last dive data (maximum depth and bottom time)
• Increased Safety Audible alarms and additional high-visibility LED warning light
• Updatable software User-updatable software gives you long-term access to the latest features and upgrades (optional download cable purchase required)
• Water Activation Water activation feature gives you a worry-free start to your dive
• History Mode History Mode lets you see your total dives, maximum depth, total dive hours, and lowest temperature. Records up to 24 dives
• Nitrox Mix Capability Up to 100% O2. Mix up to 2 Nitrox gases
• Deep Stop Optional deep stop with countdown timer
• Go Anywhere Salt or freshwater dive selection
• Altitude Adjustment Automatic altitude adjustment ensures an accurate profile