notbob wrote:
I bought one and it appeared to not properly work. In short, it was
crap.

I want one that will work. I have contacted our local fire dept that
has agreed to test it, whichever brand it may be. But, it is forbidden
they recommend any specific brand.

I would like to hear any feedback, either pro or con, on this subject.

nb

I'd be interested to learn how you determined that it did not "properly
work"?