Each home security system has its own set of cues and meanings, and you'll need to consult with your manual to work them out. There are, however, a few universal warning sounds used for most household ...

When you move into or buy a new home, no one hands you a guide to how the smoke detectors work. They "chirp," which really means shriek loudly, and you occasionally have to put new batteries in them.

This security system is entry-level in every sense of the word, and it’s only appropriate to serve the most basic of security needs. I suppose if I was looking for a no-frills, absolutely basic ...