Too bad the FMG9 is still just a prototype, because I really want one of these. And am not sure I'd want to go out and walk my dog at night in an urban area without one handy. Heck, even on the farm, one of these would make it infinitely easier to go investigate what the dog was barking his head off at in the middle of the night.
This brief video really must be seen to be believed:
H/T: Baseball Crank