Title: Dependable for years
Product review: I've had this unit for about five years and am happy to find it still available. My Radio Shack unit died after about three years & I want to use the same sensor. A couple times the unit lost contact with the sensor (located outside, two rooms over and a floor below). It seems most likely due to weak batteries (which last about 15 months). I particularly like the indoor & outdoor humidity to determine when it makes sense to open the windows in the summer.
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