What is this

pcavalcante · May 11, 2011, 12:53am

I’m thinking carbon monoxide detector but was not positive. There was one in the hall and in the master bedroom. This is a condo and there on the ceiling if that matters

rhensel · May 11, 2011, 1:29am

Looks like a building alarm in case of fire to me

Brian_A.MacNeish · May 11, 2011, 1:50am

Ditto…

gfitzgerald · May 11, 2011, 2:20am

I do believe it is an alarm as well

pcavalcante · May 11, 2011, 2:32am

Now that would make sense to me also.