Here is a clip from a radio talk show where a caller happens to have TWO smoke detectors chirping in the background because of low battery: http://www.youtube.

Here is a clip from a radio talk show where a caller happens to have TWO smoke detectors chirping in the background because of low battery: http://www.youtube.com/watch?v=phKAYe9T08A http://www.youtube.com/watch?v=phKAYe9T08A Google 'Loveline Smoke Detector' and you will get about 40 to 60 unique calls of just these two radio hosts getting calls where the caller happens to have a low battery chirping in the background.