Aeris Atmos 1 Console
Take the high quality, full featured Atmos 1 Wrist Computer, and drop it into a console with pressure gauge, and a spot for an optional compass on the back - and you've got a great addition to any regulator setup. This Atmos 1 computer gives you water or manual activation, user replaceable batteries, and a variable ascent indicator.
Don't forget to carry a spare Battery which you can easily change yourself.
Aeris Atmos 1 Console - Computers: Air