Why do they always start chirping at 3 a.m.?

To make things worse, it didn't even have a battery to remove.

[Diane]

I laughed at this! We wound up smashing one once.

[marie-elizabeth]

It’s like they’re programmed to give up at the worst possible time. In my old house I’d be searching around in the dark trying to figure out which one it was. Good times.