This is the Shearwater Perdix 2 TI Titanium Bezel OC/CC Trimix Computer

Features:

• User replaceable AA battery
• Air, nitrox, trimix capable
• Quick OC bailout from CC
• 3 axis, tilt compensated, digital compass
• Decompression
• Dive planning
• Bühlmann GF algorithm
• Strong vibration warning alerts
• Aluminosilicate toughened glass
• Optional VPM-B, Optional DCIEM
• Dive logging
• Upgradeable firmware
• Bluetooth® wireless technology
• Optional air integration

The PERDIX 2 is our toughest and most reliable full-size computer yet. The armoured casing with precision titanium surround bezel and dependable titanium piezo touch buttons protect performance-enhanced electronics.
An aluminosilicate glass lens guards a fantastic 2.2” bright screen and offers improved clarity, impact, and damage resistance. A strong vibration customizable alert system draws attention at critical moments of the dive.
Air integration with up to four Shearwater transmitters allows room to grow from a first computer to a powerful, proven advanced technical diving solution. This is delivered using the trusted and easy to find user-changeable single AA battery and familiar ergonomic compact form factor.