After reading the comments above and perusing the web site and patent, I'm not sure what problem this solves for a diver. I have air in my BD, let some air out so I start descending, add a touch of air to become neutrally buoyant for my dive, swim around for an hour or so underwater, ascend and add air to my wing so I don't sink on the surface. The only time I usually fiddle much with air in my wing is if I'm in shallow (5 to 20 ft) water, there's a lot of surge, and I have a little air in my wing.
However, for someone with a big heavy underwater camera setup, or maybe even a DPV, I could see how having object always be neutrally buoyant would be beneficial for a diver. How small can this thing be made? Small enough to form an camera platform with 2 handles that can mount lights? That's where I see the real benefit to this. Maybe add some stabilization at the same time to counteract surge to make it easier to take better underwater photos and videos
However, for someone with a big heavy underwater camera setup, or maybe even a DPV, I could see how having object always be neutrally buoyant would be beneficial for a diver. How small can this thing be made? Small enough to form an camera platform with 2 handles that can mount lights? That's where I see the real benefit to this. Maybe add some stabilization at the same time to counteract surge to make it easier to take better underwater photos and videos