The new mares puck pro+ dive computer is a reliable putter for the recreational diver with intuitive features. The slim design in non-intrusive on your wrist, and has an adjustable wrist strap. One-button operation is easy-to-use, displaying all of your necessary dive profile information. Store up to 35 hours of dive profile information in the logbook. The puck pro+ dive computer also has a bottom timer mode with resettable average depth and a stopwatch. Mares puck pro+ wrist dive computer: slim, sleek design intuitive user interface has one-button simplicity 35 hour dive logbook at a 5 second sampling rate upgradeable firmware bottom timer mode with re-settable average depth stopwatch user replaceable battery available in black or white