This alarm is great not only because it installs in mere seconds without the hassles of wiring but because you never have to change the battery – no chirping in the middle of the night! If you need to test it or silence it you just flip your light switch.
Source: Target
> “If you need to test it or silence it you just flip your light switch.”
Little kids playing with the light switch just reached a new level of annoyance… 😉