
This little unit has some power. We live in a ranch style home and I was concerned that I might not hear the bell (it has 52 settings of all kinds of bells and songs) There are three volume choices and we can hear it everywhere at the lowest setting. I'm using mine in the back on the pool cage door and even though it says to avoid placing the door bell near metal it works fine. The cage is aluminum and I stuck it right on the door.

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