Apr 15, 2012 by lipwak
Rated a Helpful Review
Pros: You can open the battery door to avoid alarms.
Cons: Instructions are vague. No visible + or - in battery compartment.
Summary: I bought a SA304CN yesterday. The main reason I bought it was for the mute feature. My understanding was that I could mute the alarm BEFORE it went off. Unless I am mistaken, it doesn't seem possible to do that. The instructions, which are ... read more