Only if it can ONLY call 911 and 1 or 2 (or even 4) other preprogrammed numbers (that go to his home and parents cellphone numbers and/or Hatzolah/Shomrim.)
I think this is great!! 🙂
A girl on my bus in DC had one a few years ago and already then I thougth it was a great idea. Too bad it didn’t take off then, maybe now it will.