$40 I think. and it was about the size of a box of small box matches. I'm guessing here, maybe 2"X1.5"X1/4"

The one I used is as sandman describes below. Its made for this purpose and is a sealed unit with the wires comming out of the plastic outer case.

Last edited by The_Dog33; 04/18/2007 6:40 PM.

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