New divers, this one's for you: Aqualung's i100 Wrist Computer 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. Computer has a user-changeable Battery. Stay safe with customizable audible and visual alarms and a high-visibility LED warning light. Computer has a maximum depth readout of 330' (100m), is altitude adjustable up to 14,000' (4,270m) and is fueled by Buhlmann ZHL-16C based PZ+ algorithm. Other features include battery power indicator, fresh or salt water compatible, temperature above and below the surface, dive planner function, time to surface information, no fly mode, calendar, conservative factor adjustable, manual or water activation, and much more.

User-changeable standard 3.0V CR2430 lithium battery and data retention. Uses globally available standard battery. Maintains settings and calculations between battery changes. Switch between up to 2 Nitrox mixes. Mixes up to 100% O2 with no restriction and a maximum PO2 of 1.1 to 1.6. Single button access to last dive display (max depth and bottom time). Deep stop with user set. History mode records last 24 dives. User-updatable software gives access to the latest features and upgrade (must purchase optional download cable). Included in the box are a digital instruction manual, safety reference info, quick reference card, and lens protector.