Yesterday, as I was flying down the highway at 70+ mph, I glanced over at the late-model Mercedes-Benz 530SL in the lane next to me and saw the driver holding a "gizmo", that it appeared like he later breathed-into?
I cannot figure out what this gizmo was. I'm hoping someone here can satisfy my curiosity. Mind you, I glanced over as I was driving, so I'm describing this from a very brief observation...
The gizmo was a rectangular white box (which looked to be a plastic case containing some electronics), approximately 5" x 9" x 1" with a fairly large "window" on one of the 5" x 9" sides that appeared to show lit-up electronic numbers. The lit-up digits looked to be about 1" high, and there may have been 7 or 8 of them.
The gizmo had a thick white cable (which dropped out of sight, so I don't know what it may have been connected to) connected to the middle of the "bottom" = 5" x 1" side .
Coming out of the "top" (= the other 5" x 1" side) was a short metal tube (maybe 2" long and 1/2" in diameter)and on top of that tube was a somewhat conical metal piece. It's into this thing I think I saw the driver breathing-into (or perhaps talking into?)
My first thought was "Is that a breathalyzer?" but that didn't make sense, as he was already driving the vehicle at highway speeds.
So, based on this admittedly sketchy information, can anyone venture a guess or, better yet, answer me definitely as to what this gizmo was?