Shearwater Perdix 3 Dive Computer- Stunning 2.6” Bright & Vivid Display: Upgraded with a crisp, high-contrast, and easy-to-read color display featuring enhanced color range and saturation, ensuring flawless readability even in the darkest deep-sea environments.- Armored Titanium Bezel & Toughened Glass: Built to withstand the harshest underwater conditions with a precision-machined titanium bezel and an ultra-durable, scratch-resistant aluminosilicate glass lens.- Dual Air-Integration (AI): Monitors and displays cylinder pressures for up to two tanks simultaneously (when paired with optional Swift Transmitters), giving you real-time gas pressure and Remaining Gas Time (RGT) calculations.- Versatile Dive Modes: Supports Air, Nitrox, 3-Gas Nitrox, OC Technical (Trimix enabled), CC/BO (Closed Circuit/Bailout with constant PO2), and Gauge mode.- 3-Axis Digital Compass: Features an integrated, tilt-compensated digital compass with smooth directional tracking to ensure precise underwater navigation.- User-Changeable AA Battery: No proprietary chargers needed. Runs on a single, easily accessible AA battery (alkaline, lithium, or rechargeable) with a long battery life.- Wireless Bluetooth Connection: Easily download and sync your dive logs to the Shearwater Cloud app via Bluetooth on your smartphone, tablet, or desktop.