Atomic Aquatics Cobalt 2 RED Titanium Limited Air Integrated Dive Computer Computer, Quick Disconnect Hose, AC Charger, USB Cable, USB/Charger Adapter, Cobalt Computer Case, Compass Calibration Tray and Owner's Manual Atomic Limited Addition Cobalt 2 Red, Air Integrated Computer Console Newly Improved: Distinctive Red Silicone Case Environmentally Sealed Depth Sensor; Protected from Corrosion/Contamination HP Safety Valve System; Vents Excess High Pressure in Event of HP Sensor Malfunction Redesigned Waterproof Seals; Lens and Battery Compartment Titanium QD; Lighter Weigh and Better Corrosion Resistance Easy-to-Use, Intuitive and Easy-to-Read Menu Driven Display is Self-Explanatory