Intuitive user interface thanks to the simplicity of the single button Compact easy-to-read pressure gauge with an ergonomically shaped chrome-plated brass body Multiple lanyard attachment points. Supports Air, Nitrox, and Bottom Timer modes Logbook capacity: 35-hour dive profile with 20-second intervals User replaceable battery. EAN (NITROX) range from 21 to 50% The Mares Mission Puck 2 console consists of the Puck computer and a pressure gauge that is compact and designed for easy readability. The pressure gauge features an ergonomically shaped body made of chrome-plated brass. Incorporated within the console is the Puck dive computer, known for its sleek, reliable, ergonomic, and user-friendly design, encompassing all the essential information required by divers.