Underwater self propelled scooter devices

[Taylor]

It would be a very fun toy to have - rarely do recreational divers go below 80 feet. Does it have variable speed, or is it a choice between 3mph and 0mph? I would imagine it could extend dive times by as much as 1/3. Unfortunately, I could see recreational divers/snorkelers causing serious physical damage to themselves or to the habitat if they do not know the limitations of the machine or of themselves. Take only memories, leave only bubbles!

[Elgin Clock]

Originally Posted by boiler

Does it have variable speed, or is it a choice between 3mph and 0mph?

Originally Posted by Website

Other features include dual speed, auto shut-off, positive buoyancy, protective safety grill and up to 1-1/2 hours of run time on a single charge.

I haven't gotten the item yet, but as soon as I do, I'm going to let my Scuba Diving friends take a look at it first and analyze it for me to see what this bad boy can do.
I'll be sure to post some results of testing/playing and some pics as well I'm sure.