Shearwater Perdix AI Dive Computer Scuba Backpacks Measures about 12" X 6

Measures about 12" X 6 1/2" X 6"

The tool is just slightly bigger than a quarter and very comfortable to wear

Rose Pink color lens brings back red colors (good for ocean diving)

Totally dry snorkel top

This easy-to-use octo/inflator is the best backup breather money can buy

Shearwater Perdix AI Dive Computer Scuba Backpacks Measures about 12" X 6Air Integrated Air Nitrox Trimix capable Bhlmann ZHL 16C with Gradient Factors Three axis tilt compensated digital compass User changeable battery Powerful, Simple, Reliable, and now Air Integrated. The Perdix AI offers all of the same great features of the Perdix, but also uses its large, easy to read screen to clearly display the tank pressure as well as your gas time remaining (GTR). The Perdix AI is capable of connecting to either one or two