The PETREL 3 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 customize 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 dive times and ease of replacement. FULLY FEATURED FROM OPEN WATER TO DEMANDING TECHNICAL DIVING BIGGEST, BRIGHTEST, EASIEST TO READ DISPLAY AIR INTEGRATION CAPABILITY USER REPLACEABLE CR2 BATTERY FULL FEATURES Modes Air Nitrox 3 Gas Nitrox OC Tec - Multi gas, trimix decompression computer CC/BO - Closed circuit fixed PPO2 Gauge - Bottom timer with stop watch and dive logging Features User replaceable AA battery Air, nitrox, trimix capable Quick OC bailout from CC Decompression computer Dive planning Bühlmann GF algorithm Optional Air integration Connects up to 4 transmitters (optional) 3 axis, tilt compensated, digital compass Strong vibration warning alerts **Only 1.5V non-rechargeable lithium and 3.7V lithium rechargeable batteries support vibration functions. Optional VPM-B, Optional DCIEM Dive logging Bluetooth wireless technology Upgradeable firmware TECHNICAL SPECS Screen Resolution: 320 x 240 Display Type: AMOLED Display Size: 6.60cm / 2.6" Toughened Glass Window: Yes Depth Rating: 290m / 950ft Number of Gases: Number of Gases: 5 Open Circuit / 5 Closed Circuit Dive Log Capacity: approx. 1000 hours Battery Type: Single AA (any type) Battery Life: Lithium 1.5V: up to 60 hours AA Alkaline: up to 40 hours Saft LS14500: up to 100 hours Dive Computer Dimensions WxHxD: 83x75.5x39mm / 3.3"x2.97"x1.5" Weight: 266g (9.38oz) Ballistic Nylon Case WxHxD: 130x105x70mm / 5.1"x4.1"x2.8" Weight: 115g (0.25lbs) WHAT'S IN THE BOX PETREL 3 dive computer Inspection Checklist Card Product Info Guide Screen Protector Black webbing strap (double)