Shearwater Research Petrel 3 Fischer Dive Computer Spearguns Apnea timer (O2/CO2 tables) +

Apnea timer (O2/CO2 tables) + Freedive number + Freedive day history + Freedive total history lifetime Depth notify yes (5) Surface time notify +

the ski power metric helps measure the actual exercise load of cross-country workouts

It uses infrared technology to gather data from the dive computer with minimal power consumption

Generous foot pocket

Shearwater Research Petrel 3 Fischer Dive Computer Spearguns Apnea timer (O2/CO2 tables) +The PETREL 3 FISCHER gives divers our most connected experience. A stunning, easy to read, 2. 6 AMOLED display is protected by a toughened glass lens, titanium bezel, and piezo touch buttons. Air integration is standard with up to four Shearwater transmitters to customise a solution from open circuit to rebreather and bailout gas pressure monitoring. Safety is increased with a strong vibration alert system, and a user changeable AA battery offers long