Bests & Worsts Reviews from Amazon

This alarm wakes us all up in the middle of the night repeatedly, just like others have posted. We blow them out with compressed air, we vacuum them, Installed by pro electrician. Checked by another. We keep replacing them even after the 'recall', but if you read this, just try a different brand I tried calling to get free replacements and was told they were out of warranty. $50 detector that needs replacement every 2 years? Also needs to be cared for and still keeps you awake? Go elsewhere.